Aero Precision X15 .300 AAC Blackout AR Pistol – 6.5" Custom Build with Gear Head Works Brace & 1:5 Twist
This Aero Precision Model X15 pistol delivers a compact, purpose-built platform for .300 AAC Blackout. A 6.5-inch, 1:5-twist barrel stabilizes heavy sub-sonic loads, while the free-float M-LOK handguard and flat-top receiver give ample room for accessories. Factory components are upgraded with a red flat-faced skeletonized trigger, Gear Head Works telescoping brace, and a multi-ported muzzle device secured by a bronze collar—making this pistol stand out for shooters who want custom performance in a turnkey package.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Good – Clean, well-maintained, minor wear marks.
Bore Rifling: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal handling marks, and the bore remains bright and clean.
What’s Included
- Aero Precision Model X15 .300 AAC Blackout AR pistol (as described)
- 4 Magpul PMAG 30-round polymer magazines marked “300 BLK”
Built on forged 7075-T6 upper and lower receivers, the X15 provides a rugged backbone with a hard-coat anodized finish. The direct-impingement gas system keeps weight down and parts compatibility high, matching standard AR-15 accessories.
The 6.5-inch steel barrel is threaded and capped with a short, multi-ported muzzle device designed to tame recoil and muzzle rise. A fast 1:5 twist rate excels with heavier sub-sonic projectiles common to .300 BLK.
A light-colored, free-float aluminum handguard features M-LOK slots along the sides and bottom plus an integral 1913 rail up top, offering solid mounting surfaces without excess bulk.
The red, flat-faced skeletonized trigger shortens perceived pull length and provides a crisp break, while the Gear Head Works telescoping brace offers quick length adjustments and stable one-handed support.