Heckler & Koch MR556 16-inch complete upper receiver assembly with factory MR-marked bolt carrier group and charging handle. Unfired condition with minor handling marks on the handguard.

This KKM barrel and compensator combo is designed for Glock 19 Gen 1-4 pistols, featuring a match-grade 9mm barrel with 9/16x32 threading and a black 4-port compensator. CNC machined from 416R stainless steel, it offers precision and durability.

Glock 19X complete slide assembly with non-threaded 4.02-inch barrel, RMR optic cut, suppressor-height sights, and factory recoil spring assembly. Finished with front and rear serrations for slide manipulation. No additional accessories or optics plates included.

Wilcox PVS-14 Arm Adapter (SKU 14004G01-B), designed to interface a standard AN/PVS-14 J-Arm with Wilcox dovetail-style helmet mounts. CNC-machined aluminum construction with black anodized finish. J-Arm and original packaging not included.

B&T BT-20394 Telescopic Stock for APC9, APC40, and APC45 models. Features a multi-position aluminum guide rod assembly with polymer buttplate, designed for secure attachment to factory APC lower receivers. Original packaging not included.

Q Literally The Best Trigger Ever Made is a drop-in single-stage trigger unit for AR-pattern rifles. Features a 2.5–3.0 lb pull, sealed aluminum housing, and integrated anti-walk pins. Compatible with standard AR-15 and AR-10 lower receivers. No additional parts or accessories included.