Black Rifle Arms 11.5" C.A.P.S. AR-15 Carbine 5.56x45 Complete M4 Piston Upper with Troy Alpha Rail. Piston Upper fits any Mil-Spec Lower.
Easy maintenance with a pull out the front gas block design. No need to remove the rail for routine maintenance. C.A.P.S. Piston System Overview Video: PISTON SYSTEM VIDEOS
Upper builds are test fired with Wolf Ammo.
Combat Adaptive Piston System Features:
- 4 Position Regulated Gas System
- Pull Through Gas Block Design
- Ambi-Regulator Knob
- 360° Continual Rotation
- Easily Adjustable with One Hand
- Easily Adjustable with Gloves On
- Easily Adjustable from Firing Position
- Audible and Palpable Setting Confirmation
- No Detent Pin to Push In to Adjust Gas Regulator
- Regulator Knob Allows for Zero Visibility Adjustment
- Interlocking Mechanism Prevents Accidental Rotation of Knob
- Knob Configured for Rapid Adjustment with No Loss of Target Engagement
Troy Free Float Alpha Rail SKU NO.: STRX-AL1-72BT-01
One Piece Piston Carrier: NiB Failzero EXO Coating
Bolt Assembly: NiB Failzero EXO Coating
Premium Barrel Specs:
- Manufacturer: BALLISTIC ADVANTAGE
- Performance Series
- Material: 4150
- Barrel Length: 11.5"
- Twist: 1/7
- BlackNitride™: Inside and Out
- Contour: Tactical Government Profile
- Chamber: 5.56x45
- M4 Feed Ramps: Yes
- Thread: 1/2x28"
- Barrel Extension: NiB Failzero
*No FFL required for upper shipment
**ALL NFA RULES APPLY!
Package Requires a Signature Upon Delivery