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UPPER RECEIVER
BCMGUNFIGHTER™ Mod 4 Charging Handle
Receivers Machined from Aluminum Forgings 7075-T6 Receivers Hardcoat Anodize per MIL-A-8625F, Type III, Class 2 M4 Feed Ramp Flat Top Receiver T-Marked Upper Receiver GAS SYSTEM
Mid-Length Gas System
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LOWER RECEIVER
Receivers Machined from Aluminum Forgings 7075-T6
Receivers Hardcoat Anodize per MIL-A-8625F, Type III, Class 2 Low Shelf for RDIAS Installation - Installation of a registered drop-in auto sear allows weapon to fire on full automatic Low Shelf for Accuwedge Use - Accuwedge Stabilizes fit between upper/lower receiver Un-notched Hammer Compatible with 9mm Use Fire Controls Marked SAFE and SEMI Magpul MOE Enhanced Trigger Guard BCM® Milspec 7075-T6 Receiver Extension USGI Mold M4 Stock Staked M4 Lock Nut USGI H Buffer (1 USGI Tungsten, 2 Steel) |
BARREL
410 Stainless Barrel Steel
16" Medium Profile Barrel 1/8 Twist Rate Button Rifled Hand Lapped Bore Hand Lapped Chamber M4 Feed Ramp Barrel Extension 5.56mm NATO Match Chambers |
UPPER RECEIVER
BOLT
Bolt Machined from Mil-Spec Carpenter No. 158® Steel
HPT Bolt (High Pressure Tested/ Proof) MPI Bolt (Magnetic Particle Inspected) Shot Peened Bolt Tool Steel Extractor CARRIER
Chrome Lined Carrier (AUTO)
Chrome Lined Gas Key Gas Key Hardened to USGI Specifications Grade 8 Hardened Fasteners Key Staked Per Mil-Spec BCM® Extractor Spring Black Extractor Insert |