LANTAC M-SPEC Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nickel Boron

LANTAC M-SPEC 5.56x45mm NATO/.223 Remington Bolt Carrier Group Nickel Boron. Many users simply need a quality milspec component supplied at a sensible price. M-SPEC is a range of AR15 accessories and components that follow the military specification in dimensions tolerances and materials with the addition of a few upgrades and enhancements to raise the performance standard of the product above the 'milspec' rating while retaining the same economical price point as traditionally offered by other providers. Offered in 5.56/.223 Caliber the Lantac M-SPEC NiB 5.56/.223 BCG is precision machined to milspec dimensions and tolerances. The carrier is full auto style with increased mass and is manufactured from 8620 steel case hardened and hard turned/ground so that internal dimension are exact to mil specifications. It is then NiB (Nickel Boron) coated rather than Type M Phosphated to give increased corrosion resistance durability lubricity and performance. The Bolt is machined from Carpenter 158 or 9310 shot peened and hard turned as per the military spec. Each BCG is further fitted with a Lantac CP-R360 domed head cam pin which are precision machined from 17-4PH stainless steel hand polished and hardened to H900 condition this further reduces friction and wear within the upper receiver. The M-SPEC line of products are ideal for budget builds where quality and reliability are still paramount. Specifications for LANTAC M-SPEC 5.56x45mm NATO/.223 Remington Bolt Carrier Group: Manufacturer: LANTAC Finish: Nickel Boron Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Bolt Material: C158 Carrier Material: 8620 Steel Gun Type: Rifle Features of LANTAC M-SPEC 5.56x45mm NATO/.223 Remington Bolt Carrier Group 8620 Carrier Heat Treated Hard Turned and Ground MPI Carpenter 158 or 9310 Bolt Shot Peened Hard Turned / Ground CP-R360 Domed Cam Pin Shot Peening is conducted with S110 shot Established by Almen Gage A-2 strip .006 -.008 Lifetime Warranty Package Contents: LANTAC M-SPEC 5.56x45mm NATO/.223 Remington Bolt Carrier Group LANTAC 01-MSPEC-556-NIB-BCG: M-SPEC 5.56x45mm NATO/.223 Remington Bolt Carrier Group Nickel Boron