The Optics Ready Carbine upper has a 16" 4150 chrome-moly-vanadium barrel with an M4 profile and hard chrome lining in bore and chamber for extended barrel life. The forged 7075 T6 aluminum flattop receiver is lightweight and has a hard anodized black finish. This model has a milled low-profile gas block and a target crown.Features and Specifications:
Manufacturer Number: 92194
Bushmaster V-Match 16" upper
5.56x45mm NATO (accepts .223 Remington)
16" heavy-profile, match grade, chrome-lined barrel
1:9" twist with 6 grooves and lands
T-marked flat top upper receiver
Tubular aluminum V-Match knurled free-float handguard
7075 T6 aircraft-grade aluminum upper receiver
Manganese phosphate-coated
Hard-anodized dark gray mil-spec finish