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OPTION DETAILS
GAS BLOCK: Standard or Adjustable. Adjustable is a great option if you are using a suppressor or just want to fine tune your system.
BRACE: Standard Blade or SBA3 Brace. SB Tactical SBA3 Brace is adjustable on the fly and features a minimalist design, integral and ambidextrous QD Sling socket and capable of accepting milspec carbine buffer tube extensions.
TRIGGER: Standard Milspec, Rise Armament RAVE 140 or Timney Impact. Milspec is a 5-6lb pound trigger. Rise/Timney has a single stage, crisp clean break, 3-3.5lb trigger pull.
Upgrade past traditional manual layouts while establishing severe muzzle blast control. The PRO2A 11.5" 5.56 NATO Carbine-Length Non-Reciprocating (NR) Side Charging Upper with Flash Can Kit completely reinvents the AR-15 manual manual control landscape by swapping out the standard dual-latch rear pull tab for an ergonomic left-side charging lever. The handle stays fully stationary during firing, giving you a clean, seamless operating window that leaves your optics workspace undisturbed. Built around an optimized 11.5-inch 4150 CMV steel barrel and paired with an integrated linear flash can, this master assembly redirects high-pressure concussion downrange away from the operator. This comprehensive package includes Pro2A Tactical's proprietary side-charging bolt carrier group, a complete Mil-Spec lower parts kit, and an M4-style stock/buffer setup. Drops natively onto any standard Mil-Spec AR-15 stripped lower receiver. Proudly 100% designed, machined, and precision-assembled in the USA.
| Upper Receiver Style | Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black |
|---|---|
| Bolt Carrier Group | Premium Milspec M16 Full Auto Profile, Nitride/Melonite Finish, MPI Tested |
| Charging Handle | Integrated Left-Side Non-Reciprocating Cocking Handle Assembly (Stays Stationary While Firing) |
| Barrel Length & Steel | 11.5 Inch Profile, 4150 Chrome Moly Vanadium Steel, Medium Contour, Melonite Treated |
| Caliber | 5.56 NATO (Fully compatible with .223 Remington ammunition) |
| Twist Rate | 1:7 Twist (Optimized to stabilize standard, heavy duty, and military-grade 62gr, 69gr, and 77gr match loads) |
| Gas Operating Block | Carbine-Length System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 1/2-28 Thread Pitch, Slimline Linear Flash Can Pre-Installed |
| Handguard | 12 Inch Extended Profile Free-Float M-LOK Rail, Slim Outer Profile, Machined from 6061-T6 Aluminum |
| Lower Parts Kit | Mil-Spec Polished Trigger & Hammer, Standard Pistol Grip, Lower Component Springs, and Pins Included |
| Brace | Standard Blade with pistol buffer tube, buffer, buffer spring, latch plate, and castle nut |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The PRO2A 11.5" 5.56 NATO Non-Reciprocating Side Charging Upper with Flash Can Kit solves the three biggest engineering hurdles in modern compact AR builds: weapon over-gassing, harsh muzzle blast, and awkward rear charging ergonomics. Standard short barrels under 16 inches are notoriously over-gassed and loud, directing punishing pressure waves sideways toward the operator. By pairing an optimized 11.5-inch barrel with a linear flash can, this system controls gas expansion rates via an extended internal dwell time window while safely projecting physical concussion forward downrange away from your sightline.
| SKU | P2ANR556AX12CAR115CAN-WLA-KIT |
|---|---|
| Barrel Length | 11.5 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |
