Bolt Carrier Group

Most BCGs on the market today do not meet Mil-Spec standards one way or another, but Qs not only exceeds the specifications, but the design and size of the Front end makes it easier to control the manufacturing of critical features.Features...

Most BCGs on the market today do not meet Mil-Spec standards one way or another, but Qs not only exceeds the specifications, but the design and size of the Front end makes it easier to control the manufacturing of critical features.Features...

High quality components and precise manufacturing make San Tan Tactical parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

Complete Mk3 bolt carrier group.Features :8620 Steel CarrierPhosphate Finish9310 Steel Bolt

This AR10 Black Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme durability and increases...

Complete Bolt Carrier Group, Mk3/LR-308 platform. Features a high-pressure design with 0.060" firing pin and narrowed firing pin channel to reduce primer cratering with high-pressure loads like 6.5 Creedmoor.Features :Bolt: 9310 Steel, Phosphate Finish,...