KAK Industry K-SPEC Enhanced Low Mass Bolt Carrier Group for AR-15 5.56/300 Blackout – Dual Ejector, NP3 (425-0510-002)

• Low mass AR15 bolt carrier group designed for tuned gas system rifle setups
• 7075 aluminum carrier with satin gold anodized finish reduces reciprocating mass
• 9310 steel bolt with NP3 coated cam pin for smoother cycling performance
• Dual ejector bolt design improves extraction reliability under controlled operating conditions
• Down vent gas system reduces gas blowback during firing cycles
• Recommended for mid length or rifle length gas systems with tuned buffers

The KAK Industry K-SPEC Enhanced Low Mass Bolt Carrier Group 556/300 Blackout is a bolt carrier group designed for use in AR-15 style rifles chambered in 5.56 NATO and 300 Blackout. This bolt carrier group features a 7075 aluminum carrier and a 9310 steel bolt with NP3 coated bolt and cam pin. It is used as a lightweight cycling component in direct impingement systems.

The KAK Industry K-SPEC Enhanced Low Mass Bolt Carrier Group 556/300 Blackout includes a dual ejector bolt and downward venting gas ports. This model features a low mass carrier with a satin gold anodized finish and is configured for mid length or rifle length gas systems. It uses a 9310 steel bolt with NP3 coating for internal surfaces and is categorized as a bolt carrier group assembly. In practical use, this bolt carrier group is used for range use in tuned AR-15 systems with compatible gas and buffer configurations.