- Bear Creek Arsenal 5.56 NATO complete upper
- 16″ Parkerized M4 Barrel, 1:7 Twist, Mid-Length Gas System
- 15″ MLOK Rail
- Billet Upper Receiver)
- Includes BCA bolt carrier group and rear-charging handle
- Flip-Up Back-Up Sight Set
1 in stock
|Dimensions||20 × 6 × 6 in|
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