LWRC M6 IC-SPR 5.56 NATO AR-15, 16-inch Spiral-Fluted Barrel, Short-Stroke Piston, Flat Dark Earth
This LWRC M6 IC-SPR stands out with a short-stroke piston system and adjustable gas regulator, a 16-inch spiral-fluted barrel, and a SureFire three-prong flash hider/suppressor adapter marked "556-CTN." It features fully ambidextrous lower controls, an IC-series monoforged upper with a continuous MIL-STD-1913 top rail, and a Flat Dark Earth finish over forged aluminum receivers. It comes equipped with flip-up iron sights and a B5 Systems Bravo adjustable stock.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are scuffs on the right side of the receivers and mild wear at the handguard attachment points.
What's Included
- 1x 30-round Magpul PMAG windowed GEN M3 polymer magazine
- Flip-up iron sights (front and rear), installed
The IC-SPR configuration uses LWRC's short-stroke piston system with an adjustable gas regulator, providing a piston-driven 5.56 NATO platform designed for tuned operation. The system is paired with a 16-inch spiral-fluted barrel that is threaded at the muzzle and fitted with a SureFire three-prong flash hider/suppressor adapter marked "556-CTN."
Its IC-series monoforged upper/rail base offers a continuous MIL-STD-1913 top rail. The free-float, ventilated aluminum handguard supports heat dissipation and accessory mounting while keeping the barrel isolated.
Controls are fully ambidextrous, including the safety, magazine release, and bolt release, and the rifle includes an ambidextrous, dual-latch charging handle. Furniture consists of a B5 Systems Bravo adjustable stock and B5 Systems pistol grip, with a listed length of pull of 12.25 inches. Flip-up iron sights are installed for immediate use.
Forged aluminum receivers are finished in Flat Dark Earth, with manufacturer location marking "Cambridge, MD, USA." The rifle accepts STANAG pattern magazines and has a 30+1 capacity. The setup includes a windowed Magpul PMAG GEN M3 magazine.