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The P2A VALIANT 10.5" 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 compact host for your personal silencer collection. Chambered in the industry-standard 5.56 NATO caliber (fully backward-compatible with .223 Remington), this legal NFA weapon platform replaces generic configurations with an architectural environment meticulously optimized to manage the increased backpressure, carbon fouling, and bolt-carrier acceleration typical of running short-barreled 5.56 setups suppressed. By integrating an explicit carbine-length direct-impingement gas setup with an upgraded adjustable gas block and a 1:7 twist barrel structure, this platform delivers excellent powder burn, higher muzzle velocity, and precise gas tuning compared to ultra-short micro barrels, while stabilizing projectiles for complete flight uniformity and protecting against baffle strikes under suppression. Operating on a tuned, adjustable gas port configuration paired with a heavy-duty suppressor-weighted buffer matrix and premium Nickel Boron BCG, this model flattens pressure spikes caused by restricted silencer gases, keeping gas blowback away from your eyes and ensuring absolute tracking repeatability. 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 compatibility 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.
| Caliber | 5.56 NATO (Fully compatible with .223 Remington ammunition) |
|---|---|
| Barrel Length & Steel | 10.5 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Nitride/Melonite Treated – made for us by Hitman Industries |
| Twist Rate | 1:7 Twist (Optimized to stabilize 55gr–77gr loads from ultra-short barrels under suppression) |
| Upper Receiver | Gibbz Arms G4 Non-Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black |
| Lower Receiver | Mil-Spec AR-15 MACHINED from 7075-T6 Billet Aluminum, Integrated Trigger Guard, Type III Hardcoat Anodized Black Finish |
| Gas Operating System | Carbine-Length Direct Impingement Gas System, Stainless Steel Gas Tube, UPGRADED Adjustable Low-Profile Gas Block Machined from 4140 Steel |
| Suppressor | OPTION TO CHOOSE (BYO = BUILD YOUR OWN) SUPPRESSOR MAKE/MODEL – Professionally mounted, concentricity-checked, and test-fired |
| Handguard Rail | 9" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail |
| Bolt Carrier Group | UPGRADED 223/5.56 Caliber, Full Auto M16 Profile, 8620 Carrier, 9310 Bolt, Nickel Boron Treated, Properly Staked Gas Key, MPI Tested |
| Charging Handle | Integrated Side Charging Handle – Made of Billet Aluminum (Non-Reciprocating) |
| Lower Parts Kit & Trigger | Complete Mil-Spec Lower Parts Kit (LPK) with Crisp Single-Stage Fire Control Group and Standard A2 Grip |
| Stock Assembly | PRO2A SOPMOD Stock, 6-Position Carbine Buffer Tube, Standard 3oz Buffer, Buffer Spring, Latch Plate and Castle Nut |
| Magazine | (1) PMAG or Similar Compatible Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A VALIANT 10.5" 5.56 NATO SBR + BYO Suppressor Package solves the primary engineering drawbacks historically linked to building custom suppressed short-barreled uppers: violent action cycling, eye-stinging backpressure, incomplete powder burn on ultra-short barrels, and potential baffle strikes caused by generic twist rates, fixed gas systems, and poor thread concentricity. By explicitly dedicating this platform's geometry to suppressed applications—complete with an adjustable carbine-length gas block and proven 1:7 twist—our armorers ensure the barrel threads are cut perfectly square to the bore's shoulder. Combined with professional suppressor mounting and concentricity verification, it locks your chosen quick-detach or direct-thread silencer onto a dead-true axis and stabilizes projectiles reliably, protecting your investment while delivering higher velocity and more consistent performance than micro-length alternatives.
Additionally, the true NFA Short Barreled Rifle layout with a rigid, 6-position adjustable SOPMOD carbine stock eliminates the handling compromises of braced pistols. The premium Valiant non-reciprocating side-charging upper provides unmatched ergonomic advantages for high-stress, close-quarters, or suppressed operation—full top rail for optics, faster reloads without breaking grip, and intuitive charging even with gloves or under duress. Equipped with a Nickel Boron BCG for easy maintenance amid heavy carbon, a crisp 3.5lb trigger, and a finely tuned spring and buffer loop to handle increased weapon speed under intense backpressure, it cycles standard and heavier duty ammo flawlessly under high thermal stress. The 7.5-inch length strikes an excellent balance between extreme compactness and improved 5.56 velocity retention compared to ultra-short barrels. 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.
The Valiant Line replaces the standard milspec upper receiver with our premium Non Reciprocating Side Charging Upper Receiver. We partnered with Gibbz Arms to create the Valiant which gives the user maximum top rail access while making it easier to charge the weapon under duress. The premium Valiant also makes it faster to load or reload the weapon as the user no longer needs to take his/her finger off the trigger and refocus while charging the weapon. When seconds count, you can count on our Valiant Line.
| SKU | P2AVT556AX9CAR105-1.7-M-KM-SBR+XXX |
|---|---|
| Model | VALIANT |
| Barrel Length | 10.5 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |