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The P2A PATRIOT 11.5" 5.56 NATO SBR + BYO Suppressor Package is a professional-grade Short Barreled Rifle layout custom-engineered from the ground up to serve as the definitive 11.5-inch tactical host for your personal silencer collection. Highly regarded by military and law enforcement armorers as the absolute operational sweet spot for short-barreled setups, moving up to an 11.5-inch barrel length dramatically increases internal gas dwell time over shorter configurations. Chambered in the universally available, duty-proven 5.56 NATO caliber (fully backward-compatible with .223 Remington), this legal NFA weapon platform replaces generic, erratic configurations with an architectural environment meticulously optimized to handle the aggressive gas blowback and accelerated bolt carrier speeds common to suppressed short-barreled uppers. By integrating an explicit, tuned carbine-length direct-impingement gas setup paired with a heavy-duty suppressor-weighted buffer spring loop, this model flattens harsh pressure spikes completely. It reduces toxic gas blowback at the ejection port, maintains clean component dwell times, and dampens parts wear under heavy operational use. Finished in a premium hardcoat anodized protective shield, this build ensures long-term operational field preservation from environmental degradation.
Every Build Your Own (BYO) Suppressor Package enables you to choose from our vast list of the most popular suppressors in the market. Whether you prioritize sound suppression, low back pressure, weight or a combination of all three - chances are we have the suppressor for you. No longer do you have to waste time and resources building and troubleshooting on your own or figuring out suppressor compatiblity with other parts. Any model you choose, we will ensure the suppressor is mounted properly onto the firearm, checked for concentricity and test fired to ensure maximum performance.
*SPECIAL DISCOUNT PACKAGE DEAL - NO OTHER DISCOUNTS CAN APPLY*
| Caliber Compatibility | 5.56 NATO (Fully compatible with .223 Remington ammunition) |
|---|---|
| Barrel Length & Steel | 11.5 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Melonite Treated |
| Twist Rate | 1:7 Twist (Optimized to stabilize heavy duty 55gr to 77gr loads) |
| Upper Receiver | Milspec Forged 7075-T6 Aluminum, M4 Feed Ramps, Forward Assist & Dust Cover, Type III Hardcoat Anodized Black |
| Lower Receiver | Mil-Spec Forged 7075-T6 Aluminum, Type III Hardcoat Anodized Black Finish |
| Gas Operating Block | Carbine-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Suppressor | OPTION TO CHOOSE (BYO = BUILD YOUR OWN) SUPPRESSOR MAKE/MODEL |
| Handguard Rail | 10" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail |
| Bolt Carrier Group | Full Auto M16 Profile, 8620 Carrier, 9310 Bolt, Nitride Treated, Properly Staked Gas Key, MPI Tested |
| Charging Handle | Standard Milspec AR-15 Charging Handle |
| Lower Parts Kit | Complete Mil-Spec Lower Parts Kit (LPK) with Crisp Single-Stage Fire Control Group and Standard A2 Grip |
| Stock Assembly | Milspec Adjustable M4 Stock, 6 Position Carbine Buffer Tube, Standard 3oz Buffer, Buffer Spring andh Hardware |
| Magazine | (1) PMAG or Similar Compatible Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT 11.5" 5.56 NATO SBR + BYO Suppressor Package solves the core operational challenges historically linked to running short-barreled setups: violent over-gassed action cycling, eye-stinging backpressure, and devastating baffle strikes caused by poor thread concentricity. By explicitly dedicating this platform's geometry to suppressed applications, our armorers ensure the barrel threads are cut perfectly square to the bore's shoulder. This locks your chosen quick-detach or direct thread silencer onto a dead-true axis, protecting your investment from internal damage while ensuring sub-MOA precision tracking downrange.
Additionally, this true NFA Short Barreled Rifle layout eliminates the handling compromises of braced pistols. Equipped with a rigid, 6-position adjustable carbine stock, a heavy-duty bolt carrier group, and a finely tuned spring loop to handle increased weapon speed under intense backpressure, it cycles standard target and heavy duty ammo flawlessly under high thermal stress. Complete with an open modular M-LOK rail profile and backed by a full lifetime warranty, it represents a premium tactical asset engineered to bring your personal suppressor to peak performance levels.
Partnering with some of the best manufacturers in the industry, we bring you a line of rifles and pistols with unrivaled quality for the cost, the “Patriot”. Every Patriot firearm is carefully built and assembled by our team of experienced armorers who knows the importance of reliability and repeatability. Every component is manufactured to milspec or better standards to ensure a high quality firearm is produced. Whether it is for sporting, hunting, or recreational needs, our Patriot Line of rifles and pistols is more than capable to live up to the task. The Patriot line combines quality with affordability because every patriot deserves it.
| SKU | P2APAT-556BW10CAR115-1.7-M-KM-SBR+XXX |
|---|---|
| Model | PATRIOT |
| Barrel Length | 11.5 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |
