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- Caliber:
- .450 Bushmaster
- Barrel Length:
- 18 in
- Barrel Profile:
- Heavy
- Gas System Length:
- Mid Length
- Barrel Twist Rate:
- 1-24
- Finish:
- Parkerized
- Handguard Length:
- 15 in
- Gun Rail:
- M-LOK
- Gun Make:
- AR Platform
- Gun Model:
- AR-15
- Barrel Material:
- 416R Stainless Steel
Code: 5NY-URC-12PR-691N-UA450MHB18124P-15M3
MPN: 691N-UA450MHB18124P-15M3
Product Info for Bear Creek Arsenal AR-15 .450 Bushmaster 18in Upper Receiver
This BCA AR-15 complete .450 Bushmaster rifle length upper has a 18 inch heavy barrel with a parkerized finish, and features a 1:24 twist rate, with a mid-length gas system. It includes a 15 inch MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .450 Bushmaster upper is compatible with any mil-spec AR-15 lower. This has the new handguard.Shop more .450 Bushmaster Uppers!Magazine not included.![]()
Package Content
- Bear Creek Arsenal AR-15 .450 Bushmaster 18in Upper Receiver
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Bear Creek Arsenal AR-15 .450 Bushmaster 18in Upper Receiver Unavailable & Discontinued Models
List of Unorderable Models
- Bear Creek Arsenal AR-15 .450 Bushmaster Upper Receiver, 18in Parkerized Heavy Barrel, 1-24 Twist, Mid-Length, 15in MLOK, 691N-UA450MHB18124P-15M3 , MPN: 691N-UA450MHB18124P-15M3 , Code: 5NY-URC-12PR-691N-UA450MHB18124P-15M3






































































































































































































