1. The barrel is inside a sleeve and is 16". 2. You cannot run the gun without the sleve because the barrel will flop around and it would not recoil inside the receiver. 3. Although taking the hider off would still maintain a 16" barrel, it would cause the rifle to be shorter than the required minimum length.The P-90 silencer by GSL Technology was originally developed for FN in the mid 1990’s for use on the FN P90. It comes with a flash hider that threads directly onto a 10.4" P90/PS90 barrel with 12x1mm left threads. The silencer has a built in quick attach that connects directly to the flash hider with no additional adaptors.I may do more videos on the PS90 in the future. This video isn't meant as a guide, it's just a video of what I did that you might learn something from. I may do more videos on the …PS90 5.7x28mm Round. The PS90 (and its cousin the FN P90) fires the 5.7x28mm round, a cartridge with a short and controversial history. It was originally intended as a body-armor-piercing replacement for the NATO 9x19mm parabellum. FNH’s SS190 cartridge met that criteria. Civilians got a slower version.Jul 26, 2023 · A short-barreled carbine with high-velocity ammo was needed. The P90 (select-fire) and 5.7x28mm cartridge were the perfect solution. Related: Spotted in an Austrian Lake – The FN P90 at Work Time to water the lawn!----- Hickok45 videos are filmed on my own private shooting range and property by trained professionals for educati...PS90 Short Barrel Rifle Conversions Colt M-16-9 SMG Barrels Many self proclaimed “experts”, on various PS90 forums, will tell you that the factory PS90 barrel can’t be cut …Time to water the lawn!----- Hickok45 videos are filmed on my own private shooting range and property by trained professionals for educati...HK SD9 Tactical. Its not an issue. There are so many sbr out there, clones of the P90 (where the measurement came from) that the measurement is accurate enough for ATF purposes. On the barrel and shroud, you have to drill out the blind pin to unscrew the barrel shroud so you can remove the barrel.We offer a complete Form 1 package (not on our website) for $328.95. This includes: - Shorten barrel to the correct length, recrown and thread 12mmx1. - Refinish barrel. - Supply P90 adapter with 1/2-28 threads and A1 flash hider. - …The FN PS90’s 16.04” cold hammer-forged MIL-SPEC barrel is equipped with an integrated muzzle brake to reduce recoil. Dual magazine latches, cocking handles, and an innovative synthetic thumbhole stock with a molded-in sling attachment point help make the FN PS90® fully ambidextrous. The Law Enforcement-only model features a magazine with ...Keep in mind, it wouldn't fit on the threads of the Factory PS90 barrel! The 10.4" barrel shortened by Mark of TROS had PERFECT threads and his Metric to U.S. Thread adaptor went on with my fingers. The CMMG flash suppressor would just start onto the threads and get REAL TIGHT! TROS is going to chase the threads on the CMMG.Decrease Quantity of PS90 Threaded Barrel Shroud Installation Increase Quantity of PS90 Threaded Barrel Shroud Installation. Adding to cart… The item has been added. ... PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator $419.90. Close ×! OK Cancel. Footer Start ...Oct 13, 2022 ... In this video we'll talk about a really cool modified FN PS90, with an SBR modification and a suppressor. I'll do some shooting in the ...or 4 interest-free payments of with. ⓘ. SKU: ps90-sbr-conversion-labor-only. Quantity: Add to Wish List. Description. Have National Firearm Sales professionally install your short barrel and laser engrave your receiver on an existing PS90 with factory 16″ barrel and shroud to a Short Barrel Rifle. IMPORTANT NOTICE: This service is for labor ...If you are looking for an efficient and cost-effective way to store large quantities of food, 55 gal blue plastic barrels may be the perfect solution. These barrels are durable, st...This is a 10.4" PS90 Barrel, made from 4150 Chrome Moly Vanadium and Maganese Phosphate Coated. Chambered for the 5.7x28 cartridge, chrome lined, with a 1:9 twist. And finally, threaded at the muzzle with the FN P90 spec: M12x1.0 LH ... Perfect for use with a short barrel on your PS90 SBR build. A 7-slot Polymer Side Rail for the P90/PS90. Fits ...Overview of the FNH PS90 short barrel rifle including ammunition comparison, function, and brief history.Follow me on Instagram for daily content: https://ww...Nov 30, 2016 ... How to: Remove PS90 Barrel Shroud in 2 minutes without stripping threads! How To: PS90 Front Shroud Removal to Install CMMG SBR Barrel or ...This is a 10.4" PS90 Barrel, made from 4150 Chrome Moly Vanadium and Maganese Phosphate Coated. Chambered for the 5.7x28 cartridge, chrome lined, with a 1:9 twist. And finally, threaded at the muzzle with the FN P90 spec: M12x1.0 LH ... Perfect for use with a short barrel on your PS90 SBR build. A 7-slot Polymer Side Rail for the P90/PS90. Fits ...PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator. A perfect choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adapter to complete your SBR. PS90 SBR Barrel …A short sale allows you to sell your home for less than you owe on your mortgage. We'll explain the process and qualifications you must meet ... Calculators Helpful Guides Compare ... The standard threads on an FN PS90 barrel are M12X1.0LH threads, which are copied in the shortened CMMG SBR barrel. However, this thread pitch isn't compatible with most muzzle devices on the market. To solve that problem, CMMG developed its PS90 Thread Adapter, which converts these threads to a more typical 1.2-28 TPI thread pitch. Back in the good old days (6 months ago) we even had short barrel AR's. You haven't really exfoliated until you dumped a few mags through a competition braked 8" barrel. ... I have a 10 inch barrel PS90, you need to get a standard 16 inch barrel and have a gunsmith swap on a 10 inch barrel.Chambered in the 5.7x28mm cartridge, the FN® PS90™ utilizes blowback operation and fires from a closed bolt for greater accuracy and reliability. The FN® PS90™’s civilian legal 16.04″ cold hammer-forged MIL-SPEC …The bullpup design of the PS90 makes it very short, and with the short-barreled version, it is even concealable. The fifty-round magazines give you very long strings of fire before needing to reload. These great features make the PS90 a good option for military and law enforcement professionals.The cheek rests are made from 500D Cordura for maximum durability. Being both water and UV resistant, these are made to last. We laminate the Cordura fabric of ...If you’re a fan of stylish and high-quality furniture and home decor, chances are you’ve heard of Crate and Barrel. With its wide selection of modern designs and timeless classics,... This CMMG muzzle device fits the M12x1 LH threads of the P90-PS90 barrel, leaving 1/2-28 threads exposed for your favorite (more common) accessories. Perfect for use with a short barrel on your PS90 SBR build. A 7-slot Polymer Side Rail for the P90/PS90. The FN PS90 Standard rifle delivers a versatile and reliable platform made for performance and accuracy. It comes chambered in 5.7x28mm with a 16 inch barrel. Features include an optics ready rail, an ambidextrous safety, and a 30 round magazine. Buy guns online from the best online gun store and get the best tactical rifles, gundeals, and bulk ammo for …Dec 30, 2007 · " A short barreled rifle (SBR) is defined in the law as: 26 U.S.C. sec. 5845(a) * * * * (3) a rifle having a barrel or barrels less than 16 inches in length; (4) a weapon made from a rifle if such weapon as modified has an overall length of less than 26 inches or a barrel or barrels of less than 16 inches in length; * * *" And... Midwest Gun Works Features: FNP-9m, 9mm Luger Magazine. Stainless steel finish .Steel Body .Polymer floor plate and follower.15 Round Benefits: Factory FNH Magazines for the best reliability possible. Durable steel body with a silver finish will hold up to hard use in the field. Polymer follower provides smooth feeding.Jul 30, 2018 · On PS90 SBR's and P90 SMG's I have used 5.56 rifle, 7.62 rifle, 9mm pistol, 9mm SMG, .45 pistol, Spectre/Sparrow class and also caliber specific 5.7 cans. ALL worked well for me. The Sparrow class will work but, IMO, most people will be happier with a can that has more volume. Most people probably use a 5.56 can or some type. jaflowers and fn1234. This was back when CMMG was still making PS90 SBR barrels so I just installed the brand new short barrel. Years later I sent my hacksawed FN barrel to Hi Desert Dog and he cut it down and threaded it and I swapped my CMMG barrel for my FN barrel. It shoots perfectly fine. Posted: 1/10/2014 2:21:52 PM EDT ... This semi-automatic rifle shoots 5.7x28mm bullets from 10- or 30-round magazines. This model will accept the 50-round cases of the FN P90, but check local regulations before making this shift. The bottom ejection port keeps fired cases out of the way of the shooter. With a 16” hammer-forged barrel, this firearm is highly accurate while ... Product Overview. The CMMG Thread Adapter is designed to be used with a short barrel PS90 SBR to attach your favorite muzzle device. Adapts the standard M12x1 LH thread of the PS90 to 1/2"-28 which is compatible with most 5.56/.223 muzzle devices.Cracker Barrel is not just known for its delicious comfort food and cozy country atmosphere, but also for its unique shopping experience. When you step into a Cracker Barrel store,... IA 16″ Barrel for PS90. $299.95Read more. PS90 Extended Barrel Shroud for 16″ Barrel – Increases Overall Length to 30″. $229.00Read more. PS90 SBR – 10.4″ Short Barrel Rifle Bundle. $369.90Select options. PS90 Threaded Barrel Shroud for 16″ Barrel – 1/2″ x 28 threads. $199.00See Options. Disassembly instructions. For qualified gunsmith only! Unload and disassemble the PS90 and secure the barreled receiver in a drill press. I used a #43 carbide bit and drilled out the blind pin. Using barrel blocks, clamp the barrel into a vise. You can then slip a 15mm wrench onto the chamber end of the barrel.jaflowers. It's easy to remove the 16" barrel with no damage. When you get it, look on the shroud for the blind pin. Go to the opposite side of the shroud from the pin and use a dremel with a small sanding wheel and sand down the shroud till you see the bind pin. Take a hammer and punch and tap it out.Oct 15, 2021 · See promotion details. Color: Grey Fabric/Material: 4140 Chrome Moly Barrel Length: 10.4 in Barrel Twist Rate: 1-9 Gun Model: FN PS90. Code: 2CM-RTB-57DF1C7. MPN: 57DF1C7. UPC: 815835017082. Free Two Day Shipping. I read your PS90 page PS90 Short Barrel Rifle Conversions and got mixed up between your form 1 and form 4 procedures. It appears to me that for form 1 cut downs, the customer sends the barrel as well as a copy of the approved form 1. You perform the service then send the barrel back to the customer without need for an FFL.If you’re a fan of stylish and high-quality furniture and home decor, chances are you’ve heard of Crate and Barrel. With its wide selection of modern designs and timeless classics,...Apr 11, 2016 ... DO NOT USE THIS METHOD! GO HERE TO SEE THE BEST WAY IN UNDER 2 MINUTES WITHOUT ANY HARD WORK!! https://www.youtube.com/watch?v=g9b8cYjLLJw.The PS90 barrel is chrome lined, any time you cut a chrome lined barrel, you could have issues with that chrome flaking off and disturbing the accuracy of the barrel. Just buy a new barrel to put in. This topic comes up auite a bit, look thru the PS90 sections on this forum, and you will see all you need to know and learn about.NEW P90 AND PS90 BARRELS AND MUZZLE DEVICES, STANDARD OR SILENCER READY. Sort by. Display. MINI FLASH HIDER for 1/2X28 Threads MINI FLASH HIDER for 1/2X28 Threads. 5.0 average, based on 1 reviews. MINI FLASH HIDER WITH 1/2X28 THREADS. THIS IS THE ONE WE USE WITH OUR HDD P90 COMBO DEVICE. ...Short-barrel rifles, sometimes called short-barreled rifles or SBR’s are one of the most popular NFA items made and sold today. Because so many modular firearms like the AR-15 or pistols like the CZ Scorpion Evo can be quickly turned into an SBR in minutes with the right parts, people have been wondering more and more about how to …The FN PS90 Standard rifle delivers a versatile and reliable platform made for performance and accuracy. It comes chambered in 5.7x28mm with a 16 inch barrel. Features include an optics ready rail, an ambidextrous safety, and a 30 round magazine. Buy guns online from the best online gun store and get the best tactical rifles, gundeals, and bulk ammo for …In the P90/PS90, you have 50+1 ready to go out of a standard magazine! Negligible recoil. Guns chambered in this round typically shoot very flat and are highly controllable, even in full-auto. ... the only way to legally possess this firearm with it’s proper short barrel is to make it into a short-barreled rifle, which requires the $200 tax ...Feb 26, 2017 · Product Description. The FN PS90 is a direct-blowback carbine chambered in 5.7x28mm. It sports a 16″ cold hammer-forged barrel, fully ambidextrous controls, downward ejection, and comes in at 6.2 pounds. While it comes standard with 30-round magazines, the factory 50-round magazines that are the same size are widely available and unlock the ... On sale: $594.99 $579.99. Availability: Out of Stock. Description. Almost imposable to find, factory FN P90/PS90 10.3" barrel chambered in 5.7x28mm. These barrels came from Police trade-in P90s. They are in great shape with clean/shinny bores. Also included is the factory FN flash hider and barrel spring.This particular barrel model impressively boasts a length of 10.4 inches, offering exceptional performance for short-barreled rifle builds. With its features and …Use this with a short barrel on your PS90 SBR build to attach your favorite muzzle device. Adapts the standard M12 x 1.0 LH threads of the PS90 to 1/2″-28 which is compatible with most 5.56/.223 muzzle devices. Features: Perfect part for PS90 SBR. Please Note – We just added this product to our catalog, so it may not show all attributes ...Decrease Quantity of PS90 Threaded Barrel Shroud Installation Increase Quantity of PS90 Threaded Barrel Shroud Installation. Adding to cart… The item has been added. ... PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator $419.90. Close ×! OK Cancel. Footer Start ... The CMMG PS90 barrel is the correct length for a PS90 SBR, measuring in at 10.4 inches. The barrel is machined from 4140 chrome-moly steel and features a salt-bath nitride finish that protects it from wear and corrosion. The barrel features a 1:9-inch twist rate and is threaded at the muzzle with M12X1.0 LH threads. Midwest Gun Works Buffman. 4043 posts · Joined 2009. #4 · Mar 2, 2023. IAC/FNS shroud: PS90 Threaded Barrel Shroud for 16" Barrel - 1/2" x 28 threads. TacticalSpeed. Midwest Gun Works PS90 short barrel problem . The gun worked perfect with the 16 inch barrel. I'm not sure if we installed the SBR barrel incorrectly or not but everything appeared to fit just fine. Got it to the range and the firing pin seems to be hitting a little high above the primers. What did I …A short-barreled carbine with high-velocity ammo was needed. The P90 (select-fire) and 5.7x28mm cartridge were the perfect solution. Related: Spotted in an Austrian Lake – The FN P90 at WorkFeb 28, 2022 ... FNH PS90 / P90 SBR Disassembly & Reassembly. Arm&Gun•32K views · 7:28 · Go ... FNH Short Barrel PS90 Final Thoughts! Doc G's Reloading•1K...While they can’t sell the original short 10.5-inch barreled model over the counter, the 16-inch PS90 is the next best thing. Although it looks strange, the gun is oddly ergonomic and is 100 percent ambidextrous — it even ejects downwards. ... The FN PS90 is a direct-blowback carbine chambered in 5.7x28mm. It sports a 16″ cold hammer ...May 7, 2018 ... I Bought A P90 (SBR). Texas Plinking•59K views · 39:14 · Go to channel ... PS90/P90 Full Auto Trigger Group, and how it works. Wrenchmonkey•82K ....May 28, 2021 ... The PS90 is a fantastic gun that needs to be SBR'd to really shine. Unless... This one is a little long winded, sorry.This is a 10.4" PS90 Barrel, made from 4150 Chrome Moly Vanadium and Maganese Phosphate Coated. Chambered for the 5.7x28 cartridge, chrome lined, with a 1:9 twist. And finally, threaded at the muzzle with the FN P90 spec: M12x1.0 LH ... Perfect for use with a short barrel on your PS90 SBR build. This CMMG muzzle device fits the M12x1 LH …Hours may vary between locations, so please check the hours on your local store page. Find a location. How many Cracker Barrel Old Country Store locations are there? As of …PS90 SBR - 10.4" Short Barrel Rifle Bundle with 1/2" x 28 thread adapter $369.90. Sale. Quick view Compare Choose Options. PS90 Convertible One/Two Point Sling Kit $169.85. Quick view Compare Add to Cart The item has been added. CMMG. PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator ...Jul 1, 2023 ... Share your videos with friends, family, and the world.May 30, 2021 · In this video, I do a little plinking with my new FN PS90 that I turned into a registered SBR. Now it just looks correct! A lot of fun to shoot and y'all wil... The PS90 differs from its submachine gun counterpart in two ways. First, the happy (full auto) switch and capability has been removed, and the barrel was lengthened to 16.1” in order to meet US regulations on minimum barrel length (16”) and minimum firearm length (26”). Other than that, the gun is pretty much the same as a P90.Multiple Thread Pitchs Available. Fluting. No. Model. No. Manufacturer's Suggested Retail Price. $343.99. CMMG 10.4" PS90 5.7mm barrel, threaded M12x1LH. Pair this with a CMMG PS90 thread adapter to complete your SBR.Nov 23, 2020 · Congrats on the PS90. SBRing it will make a good thing way better. As far as parts, you really only need a barrel and flash hider or thread adapter (to run a can). As far as barrels, there are three options that I'm aware of: have yours cut and threaded, CMMG and I think Stryker may still make one. PS90 5.7x28mm Round. The PS90 (and its cousin the FN P90) fires the 5.7x28mm round, a cartridge with a short and controversial history. It was originally intended as a body-armor-piercing replacement for the NATO 9x19mm parabellum. FNH’s SS190 cartridge met that criteria. Civilians got a slower version.More of the adaptor not indexing on the end of the barrel. Either the barrel is too short, or the internal area of the adaptor was cut too deep. I'll have to dig out a barrel, and measure the total length. ... The Factory P/PS90 barrel is left hand (counter-clockwise), metric thread. Having said that, you either have to put a washer, have the ...The XF50 Tri-Rail uses the same action and lower assembly as the regular PS90. The XF50 Tri-Rail Upper Receiver is a stripped component that requires additional parts for assembly and operation. You must either purchase the optional parts kit or move the parts over from your factory upper receiver. Precision CNC’d out of billet 6061 aluminum.Time to water the lawn!----- Hickok45 videos are filmed on my own private shooting range and property by trained professionals for educati...On sale: $594.99 $579.99. Availability: Out of Stock. Description. Almost imposable to find, factory FN P90/PS90 10.3" barrel chambered in 5.7x28mm. These barrels came from Police trade-in P90s. They are in great shape with clean/shinny bores. Also included is the factory FN flash hider and barrel spring.The High Tower Armory 90/22 is a compact, maneuverable stock kit for the Ruger 10/22 which utilizes a fully ambidextrous bullpup design for superior balance and ergonomics.FN Specialties is #1 in FN Pistols, FN Rifles and FN Accessories. We specialize in PS90, Five seveN, SCAR 16, SCAR 17, and FN 509 series. ... got a clear answer every time, he truly earned my Business. FN Factory mags with short lead times at less than the price of manufacture! I hardly leave reviews but Wow, FN Specialties / National Firearms ...Time to water the lawn!----- Hickok45 videos are filmed on my own private shooting range and property by trained professionals for educati...Feb 28, 2022 ... FNH PS90 / P90 SBR Disassembly & Reassembly. Arm&Gun•32K views · 7:28 · Go ... FNH Short Barrel PS90 Final Thoughts! Doc G's Reloading•1K...Buying a car on a short sale means that you are paying the seller less than what he or she owes to the lender. A seller behind in car payments and possibly facing repossession may ... PS90 SBR – 10.4″ Short Barrel Rifle Bundle $ 369.90 Select options; FN 509 Apex Tactical Trigger $ 160.00 – $ 165.00 See Options; Sale! FN PS90 10 Round Magazine $ 58.99 Original price was: $58.99. $ 44.99 Current price is: $44.99. Read more; Grip Pod V2 – Military Version with Steel Reinforced Legs $ 149.95 See Options I delayed purchasing for one day while I was out of town for work and poof, missed em. Got the CMMG short barrel and flash hider though, ready for the next import. That is a beauty sir! 204 votes, 40 comments. 66K subscribers in the canadaguns community. This subreddit is for the discussion of Canadian firearms ownership, shooting….PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator. A perfect choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adapter to complete your SBR. PS90 SBR Barrel …Buy a FNH USA PS90 PS90 SALE REDUCED FOR IMMEDIATE SALE, same as new fired one round after SBR conversion. ... Upon completion of a sale and FULL payment , I will complete the 2x form 4’s and pay for 2 transfer fees, one for the short barrel rifle and one for the suppressor . Any other transfer fees you acquire would be your responsibility ...Hi guys, we purchased a PS90 short barrel with can, and are in the waiting period timeframe. See the pic of my wife with the gun in the store. Its's been 2 months since we did the deal with the tax stamp, and we figure it will be 4-6 more months, presuming no law is passed that will restrict it. We have no control on that, so we are just going ... Add to Wish List. Description. The best choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR. Tax Stamp and gunsmithing required. 10.4″. 4140 Chrome Moly Vanadium. Manganese Phosphate Coated. 1:9 Twist. Hank. 506 posts · Joined 2007. #3 · Feb 27, 2008. general laws of ballistics say that the longer barrel will be more accurate, but i know the PS90 was designed with the 10.3" barrel. i don't have my PS90 yet, but i would still venture to say that the 16" barrel would be more accurate.
Congrats on the PS90. SBRing it will make a good thing way better. As far as parts, you really only need a barrel and flash hider or thread adapter (to run a can). As far as barrels, there are three options that I'm aware of: have yours cut and threaded, CMMG and I think Stryker may still make one.. Grand hyatt houston
Cracker Barrel is a beloved American restaurant chain known for its delicious comfort food and charming country store. While many people are familiar with the delightful experience...Just do a google search. If your not going to have your factory barrel cut, Stryker has awesome new short barrels for the PS90. They are not inexpensive at $369.99 but Mom always said, "you get what you pay for." Either way, good luck and enjoy. the PS90 was made to be an SBR!!! Like.PS90 SBR - 10.4" Short Barrel Rifle Bundle with 1/2" x 28 thread adapter $369.90. Sale. Quick view Compare Choose Options. PS90 Convertible One/Two Point Sling Kit $169.85. Quick view Compare Add to Cart The item has been added. CMMG. PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator ...May 2, 2007 · PS90 SBR Paperwork Step-By-Step. This document is a brief "how to" for an *individual* converting a PS90 to a SBR (Short Barreled Rifle) under current US law regarding such weapons. This is intended to be as complete as possible, but, as always, read and follow the instructions provided on the paperwork, and contact your local law enforcement ... Shooting the recently converted PS90 with short barrelCracker Barrel is not just a popular restaurant chain known for its delicious comfort food; it also has an extensive gift shop filled with unique and charming merchandise. When it ... Deposits and advanced purchases are not being taken at this time. 16" barrel for the FN PS90. Designed as a replacement for the factory 16" PS90 barrel when it has been damaged or needed for a compliant build without a tax stamp. Targeted Specs: Length: 16″. Twist Rate: 1:9 Twist. Caliber: 5.7×28. Feb 28, 2022 ... FNH PS90 / P90 SBR Disassembly & Reassembly. Arm&Gun•32K views · 7:28 · Go ... FNH Short Barrel PS90 Final Thoughts! Doc G's Reloading•1K...Nov 4, 2014 ... Just a quick video with the FN Herstal ps90 bullpup PDW with a silencerco sparrow suppressor. While we were out with Paul from Gear Head ...For use with a 10.4″ short barrel on your PS90 SBR build. The female threads are M12 x 1.0 LH and are used for barrel retention. The male threads are a standard 1/2″ x 28 and are used to attach your favorite 5.7×28 rated silencer or muzzle device.PS90 SBR - 10.4" Short Barrel Rifle Bundle with 1/2" x 28 thread adapter $369.90. Sale. Quick view Compare Choose Options. PS90 Convertible One/Two Point Sling Kit $169.85. Quick view Compare Add to Cart The item has been added. CMMG. PS90 SBR - 10.4" Short Barrel Rifle Bundle with P90 style compensator ...The National Firearms Act of 1934 defines a short-barreled rifle as a shoulder-fired, rifled firearm made from a rifle with a barrel length of less than 16 inches or an overall length of less than 26 inches or a handgun fitted with a buttstock and a barrel shorter than 16 inches in length. The ATF regulates an SBR as a Title II weapon.Sep 5, 2008 · The FN PS90 is a compact Bullpup design with a very short overall length. This makes it even more attractive to bring through the Registered SBR process. With the short barrel, it is extremely compact and packs a big punch compared to similar sized firearms, usually available in pistol calibers. .