Forward Controls Design NP3 M16 and M4 Bolt Carrier Group, Dimpled, Silver, SBCG, NP3, Dimlped

Forward Controls Design NP3 M16 and M4 Bolt Carrier Group, Dimpled, Silver, SBCG, NP3, Dimlped. The carrier still has forward assist pawl notches and so is compatible with forward assist equipped uppers. SBCG's use of Ned Christiansen's OCKS (Optimized Carrier Key Screws) which when staked properly offer significant improvement over conventional screws. OCKS have sharp deep and effective knurling that extends to the top of the screw head. These splines form pockets for carrier key metal to flow into when the key is staked resulting in gear tooth like engagement. Specifications for Forward Controls Design NP3 M16 and M4 Bolt Carrier Group: Manufacturer: Forward Controls Design Color: Silver Fabric/Material: Steel Features of Forward Controls Design NP3 M16 and M4 Bolt Carrier Group SBCG bolts are manufactured from properly and correctly heat treated AISI 9310 steel. Each Bolt is MPI tested and inspected. Each bolt is shot peened and comes with a Sprinco heavy extractor spring and black O ring. The bolt and cam pin have been NP3 treated to enhance corrosion resistance and carbon build up. Bolt is stress relieved. Sprinco 5-Coil Heavy Duty Extractor Spring SBCG carriers are ASSI 8620 steel and machined to USGI specifications. The M16/M4 carrier includes a mil-spec gas key. The gas key is heat treated per TDP specifications and NP3 coated. The gas key is secured to the carrier via OCKS (Optimized Carrier Key Screws) torqued to spec values and properly staked. Each carrier assembly is treated with a durable Nickel/PTFE (NP3) plating which creates a permanently lubricious surface which reduces the need for lubrication. Package Contents: Forward Controls Design NP3 M16 and M4 Bolt Carrier Group Forward Controls Design SBCG NP3 Dimpled: NP3 M16 and M4 Bolt Carrier Group Dimlped Silver