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Bolt Carrier Groups

Bolt Carrier Groups
USA MADE .223/5.56/300 BLK Bolt Carrier Group - Nitride USA MADE .223/5.56/300 BLK Bolt Carrier Group - Nitride
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AR-15 .223/5.56 Bolt Carrier Group- Black Nitride (Made in USA)Carrier    M16 style (Auto)    Machined from 8620 tool steel    Heat treated to military specificationsBolt    Machined from 9310 tool steel    Heat treated to mi..
MANUFACTURED TO FIT THE MIL SPEC STANDARD LOWER PARTS KIT Ramped carrier group uses standard mil-spec hammerSpring loaded enhanced firing pinMachined from 8620 tool steelFinish: NitriteCompatible with both GLOCK and COLT 9mm AR-9 magazinesDrop in readyProperly staked keyRemovable ramped counter..
USA MADE .223/5.56/300 BLK NICKEL BORON Bolt Carrier Group - NIB USA MADE .223/5.56/300 BLK NICKEL BORON Bolt Carrier Group - NIB
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MADE IN THE U.S.A Heat treated, shot peened, relief cut, and machined to exact mil spec dimensions.Nickel boron coated to provide increased lubricity and much greater wear resistance than other finishes. The coating makes easier cleaning Bolt Features Carpenter 158 Steel Hea..
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