Palmetto State Armory PA-15 .300 AAC Blackout AR Pistol, 10.5 in Threaded Barrel, Free-Float M-LOK Handguard
This PSA PA-15 AR pistol stands out as a .300 AAC Blackout build with a 10.5 inch threaded barrel, direct-impingement operation, and a free-float aluminum M-LOK handguard. It features a flat-top A3 upper with forward assist, ejection-port cover, and brass deflector, plus an adjustable stabilizing brace. It comes with a purpose-built Magpul PMAG GEN M3 300 BLK magazine and an installed M-LOK angled foregrip.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal markings from previous handling and use. The bore is bright and clean. Please refer to the photos for a close look at condition.
What's Included
- 1x Magpul PMAG GEN M3 300 BLK 30-round polymer magazine
- M-LOK polymer angled foregrip (installed)
The 10.5 inch barrel is threaded and capped with an A2-style birdcage flash hider. Barrel markings include ".300 BLK," "BLACKOUT," and "1:8," confirming its chambering and twist rate for .300 AAC Blackout (7.62x35mm).
This PA-15 runs a semi-automatic, direct-impingement system on the AR-15 platform. The flat-top A3 upper includes a forward assist, ejection-port cover, and brass deflector. The lower is marked "PA-15 MULTI," with manufacturer markings "Palmetto State Armory, West Columbia, S.C."
The free-float aluminum handguard uses the M-LOK mounting standard, with slots at the 3, 6, and 9 o'clock positions and interrupted Picatinny sections at 12 o'clock. An M-LOK polymer angled foregrip is installed, and the pistol is set up with rail sections as noted.
Ergonomics include an A2-style polymer pistol grip and a pistol-pattern receiver extension with an adjustable stabilizing brace featuring a hook-and-loop strap. Controls include a two-position safety selector. Capacity is 30+1, and a Magpul PMAG GEN M3 300 BLK magazine is included.