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This AR-STONER Rifle length upper features an 18" heavy profile barrel, a 450 Bushmaster bolt carrier group, a low profile gas block, and a 15" M-LOK handguard. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with a charging handle, forward assist, ejection port cover, and bolt and bolt carrier assembly.
Specifications
- Manufacturer:
- AR-Stoner
- Category:
- upper-receiver
- Platforms:
- AR-15
- MPN:
- 691N-UA450MHB18124P-15M3
- Required Component:
- Yes
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