Bolt Carrier Groups

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and...

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and each carrier is chrome-lined in the bolt throat. - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT shred fingers and operates smoothly - Hard chromed after heat treatment - Made of same steel and using same processes...

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and...

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and each carrier is chrome-lined in the bolt throat. - No Forward Assist Serrations.  This can work in an upper with forward assist, but the forward assist will do nothing.  Perfect for your slick side upper build. - Standard MIL-SPEC carrier with additional care taken during machining process...

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and...

Semi-Auto/ Full Auto M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and each carrier is chrome-lined in the bolt throat. - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT shred fingers and operates smoothly - Hard chromed after heat treatment - Made of same steel and using same processes...

Semi-Auto/ Full Auto M16 bolt carrier group made using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Black Nitride coated - Standard MIL-SPEC carrier...

Semi-Auto/ Full Auto M16 bolt carrier group made using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Black Nitride coated - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT shred fingers and operates smoothly - Standard Cam Pin - Standard Gas Key (torqued to spec, not staked)

Semi-Auto/ Full Auto M16 bolt carrier group made using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Black Nitride coated - Standard MIL-SPEC carrier...

Semi-Auto/ Full Auto M16 bolt carrier group made using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Black Nitride coated - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT shred fingers and operates smoothly - Standard Gas Key (torqued to spec, not staked) - The HMB Bolt by HM Defense eliminates the pass through cam pin hole and replaces it with a cam pin...

7.62x39mm BoltFor use with standard dimension AR-15 Uppers and Lowers.  NOT for use with CMMG Mutant and other large/mid-frame size AR variants.-Semi-Auto/ Full Auto M16 bolt carrier group...

7.62x39mm BoltFor use with standard dimension AR-15 Uppers and Lowers.  NOT for use with CMMG Mutant and other large/mid-frame size AR variants.-Semi-Auto/ Full Auto M16 bolt carrier group made by Young Manufacturing Inc. using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Black Nitride coated - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT shred...

7.62x39mm Chrome Bolt Carrier Group For use with standard dimension AR-15 Uppers and Lowers.  NOT for use with CMMG Mutant and other large/mid-frame size AR variants. -Semi-Auto/ Full Auto...

7.62x39mm Chrome Bolt Carrier Group For use with standard dimension AR-15 Uppers and Lowers.  NOT for use with CMMG Mutant and other large/mid-frame size AR variants. -Semi-Auto/ Full Auto M16 bolt carrier group made by Young Manufacturing Inc. using MILSPEC 8620 quality steel on in-house CNC machines. All carriers are then heat-treated, and Chromed - Standard MIL-SPEC carrier with additional care taken during machining process - Sharp edges and rough finishes eliminated. Will NOT...

National Match M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and each...

National Match M16 Complete bolt carrier group made by Young Manufacturing Inc. using MILSPEC quality steel on our in-house CNC machines. All carriers are then heat-treated, hard-chromed and each carrier is chrome-lined in the bolt throat. - Added surface area in the front of the carrier gives a tighter fit when the bolt is in battery for more consistent lock up. This unit is complete with gas key, bolt, cam pin, and firing pin ready to install in your rifle. - Hard chromed after heat...