4.8 (383) · $ 4.50 · In stock
$6.49 - Optimized Carrier Key Screws (OCKS) offer a significant advantage over the regular cap screw used and are quickly becoming the new standard.
Titanium Bolt Carrier Group 5.56mm / .300 BLK
Staking of AR15 Gas Key - Rain Shadow Armory
Rubber City Armory Bolt Carrier Group-6.5 Grendel/6mm ARC w/OCKS
SIONICS NP3 Coated Bolt Carrier Group » SIONICS Weapon Systems
Staking of AR15 Gas Key - Rain Shadow Armory
Firing Pin Retaining Pin For AR15/M16
OCKS OPTIMIZED CARRIER GAS KEY SCREW – TWO PACK – Gerbrand Defense, LLC
Flat Dark Earth DLC Bolt Carrier Group 5.56mm / .300 BLK
TRIARC Systems Mil-Spec AR15 5.56 BCG - NP3 Coated
BCGs - JTF Consulting: A Multi-Mission Company
Michiguns Ltd. - AR-15 Tools and Accessories
Door Latch Bolt. Exterior Door Handle Base Bolt - M6 X 31.5MM.
Forward Controls Design - Pre-production SBGs are available on a limited basis. These do not use OCKS (Optimized Carrier Key Screws, developed by Ned Christiansen), but standard gas key screws, and they're