Carbon fiber composite upper comes fully assembled and ready to install on your choice of lower to build a light, fast-handling tactical carbine. Low-profile, flattop upper receiver made from carbon fiber reinforced polymer composite keeps weight to a minimum. Originally developed for the aerospace industry, this chemical- and heat-resistant composite is as strong as milled aluminum. Machined aluminum Picatinny-style rail gives maximum accessory-mounting flexibility. M4-profile, 16" chrome-lined barrel is button rifled with 1:9" right-hand twist for optimal accuracy with a wide variety of commercial .223/5.56mm ammunition. Includes A2 front sight with square, elevation-adjustable post, bayonet lug, and front sling swivel. High-quality Bushmaster bolt and carrier fit receiver precisely to ensure smooth, reliable cycling. Bushmaster’s “Izzy” compensator diverts hot combustion gases through three longitudinal gas ports to minimize muzzle flash and help control muzzle rise during rapid fire; closed bottom prevents kicking up dust during prone shooting. Steel components are manganese phosphate parkerized with a uniform matte black finish. Charging handle is precision machined from 7075 T6 aluminum forging and hardcoat anodized matte black to match other components. Military type carbine-length ribbed handguard included.
SPECS: Receiver – Carbon fiber reinforced polymer, black. Barrel, Bolt/Carrier, Front Sight – Steel, parkerized, matte black. Charging Handle – 7075 T6 aluminum. Handguard – Plastic, black.
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