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The P2A VALIANT 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 ultra-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 severe, accelerated backpressure, high chamber pressures, and intense carbon fouling typical of running sub-compact micro 5.56 setups suppressed. By integrating an explicit micro-length direct-impingement gas setup with an upgraded adjustable gas block and a 1:5 ultra-fast twist barrel structure, this platform resolves the bullet stabilization and gas-tuning challenges of an ultra-short 5-inch path, aggressively spinning projectiles for complete flight uniformity while allowing precise backpressure management to protect against catastrophic baffle strikes and excessive gas blowback 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 the sharp operational spike 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 | 5 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Nitride/Melonite Treated – made for us by Hitman Industries |
| Twist Rate | 1:5 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 | Micro-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 | 4" 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 5" 5.56 NATO SBR + BYO Suppressor Package solves the primary engineering drawbacks historically linked to building custom suppressed micro uppers: violent action cycling, eye-stinging backpressure, incomplete powder burn, and devastating 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 micro gas block and ultra-fast 1:5 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 instantly, protecting your investment from internal damage while ensuring reliable, repeatable performance downrange.
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. 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 on the most compact 5.56 platform available.
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 | P2AVT556AX4MIC5-1.5-M-HT-SBR+XXX |
|---|---|
| Model | VALIANT |
| Barrel Length | 5 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |