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The P2A PATRIOT LEFT HAND 20" 5.56 NATO Melonite M-LOK A2 Rifle is a professional-tier, full-length tactical and precision competition rifle custom-engineered from the ground up for southpaw operators, delivering absolute structural rigidity, maximized ballistic velocity, and timeless field ergonomics. Chambered in the universally proven 5.56 NATO caliber (fully backward-compatible with .223 Remington), this variant features a true left-hand mirrored upper receiver architecture that completely redirects hot brass, unburnt powder, and gas signatures away from the left-handed shooter's face. This flagship platform leverages a full-length 20-inch barrel layout to achieve complete powder burn efficiency, dramatically extend flat-shooting accuracy downrange, and extract the absolute maximum downrange muzzle velocities possible out of the 5.56 cartridge over short-barreled setups. Built to dominate precision long-range match fields, dynamic target tracking, and multi-role varmint hunting, this configuration functions with an authentic, optimized rifle-length direct-impingement gas setup calibrated to widen dwell times cleanly, guaranteeing incredibly smooth cycling patterns, robust extraction profiles, and exceptionally low internal component wear under sustained aggressive firing cadences. This model integrates a traditional fixed A2 rifle stock assembly paired with a long rifle buffer loop system, offering an exceptionally stable cheek weld, a spacious internal storage compartment, and a smooth, softly recoiling impulse. Finished in a rugged hardcoat anodized application, this build ensures premium, non-stop operational field protection from environmental degradation.
Every Patriot left-hand full-length rifle layout is machined to strict technical tolerances, establishing precise M4 feed ramp alignments and factory headspaced structural profiles to ensure rock-solid cycling repeatability. Hand-assembled by an experienced team of professional armorers, each upper receiver assembly undergoes exhaustive headspacing and structural evaluation to establish absolute tracking consistency out of the box. It seamlessly bridges the gap between southpaw-specific ergonomic velocity, classic duty ergonomics, and modern modular custom spacing because every patriot deserves an uncompromised defensive tool.
| Caliber Compatibility | 5.56 NATO (Fully compatible with .223 Remington ammunition) |
|---|---|
| Barrel Length & Steel | 20 inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Nitride/Melonite Treated |
| Twist Rate | 1:7 Twist (Optimized to stabilize heavy duty 55gr to 77gr loads) |
| Upper Receiver | Milspec Left Hand Billet Aluminum, M4 Feed Ramps, Left Side Ejection, Type III Hardcoat Anodized Black |
| Lower Receiver | Mil-Spec Forged 7075-T6 Aluminum, Type III Hardcoat Anodized Black Finish |
| Gas Operating Block | Rifle-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 1/2-28 Thread Pitch, A2 Flash Hider with Crush Washer Pre-Installed |
| Handguard Rail | 15" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail |
| Bolt Carrier Group | Left Hand 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, Ambi Safety and Standard A2 Grip |
| A2 Stock Assembly | Fixed A2 Rifle Stock Assembly, Long Rifle Receiver Extension (A2 Rifle Buffer Tube), Standard Rifle Weight Buffer and Rifle Buffer Spring |
| Magazine | (1) PMAG or Similar Compatible Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT LEFT HAND 20" 5.56 NATO Melonite M-LOK A2 Rifle resolves the two biggest compromises facing left-handed AR operators: gas-in-face blowback and unstable stock wiggle. While standard right-handed setups force southpaw shooters to ingest toxic unburnt gasses and dodge flying brass, this true mirrored upper architecture redirects case extraction cleanly to the left. Furthermore, by integrating an authentic fixed A2 rifle stock system alongside a matching long rifle weight buffer loop, this configuration stretches out pressure drops cleanly during cycling. This application dramatically slows down reciprocating bolt velocities and absorbs felt energy far more effectively than adjustable setups, delivering a remarkably flat-shooting rifle platform that preserves pristine sight alignment over repeated rapid-fire strings.
Additionally, this full 20-inch configuration sets up an uncompromised defensive or competition weapon layout. By matching an extended 15-inch free-float M-LOK rail shroud over a true rifle-length gas system, you gain complete freedom to implement modern support-hand extensions and mount vital tactical precision scopes, hunting flashlights, or heavy-duty bipods without impacting barrel harmonics. Hand-assembled by professional armorers using premium materials and rigid headspacing alignments, this rifle represents an affordable, top-tier operational field asset engineered to last through generations of trigger time.
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 | P2APATLH-556AACT15RIF20-1.7-M-TK-A2 |
|---|---|
| Model | PATRIOT |
| Barrel Length | 20 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |