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Sharps Rifle Co. XPB 308 Balanced Bolt Carrier Group Complete SHARPSXPB308 Color: DLC Black, Finish: Matte, 16% Off w/ Free Shipping

$233.99

Description

Product Info for Sharps Rifle Co. XPB 308 Balanced Bolt Carrier Group Complete

Sharps Xtreme Performance Bolt (XPB) 308 Balanced Bolt Carrier Group Complete In

The Sharps 308 Balanced Bolt Carrier Group Complete has the same innovative design as the Sharps 5.56 Balanced Bolt Carrier Group. The 308 carrier is precisely machined from case-hardened 8620 alloy steel. The 308 Relia-Bolt is made of robust 9310 nickel-chrome-moly alloy steel. The entire BCG is finished with DLC (Diamond Like Carbon) Coating. The Sharps 308 Balanced Bolt Carrier Group has the SRC logo machine cut and visible when the ejection port door is open. Sharps 308 BCG is compatible with DPMS LR-308 style platforms.

Features/Specifications:

Bolt: 9310 steel, shot peened DLC coated (U.S. Patent No. 9,863,729)

Bolt Carrier: 8620 steel, shot peened and DLC coated

Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked and DLC Coated

Cam Pin: 4340 Steel, Manganese Phosphate coated

Firing Pin: Mil Spec firing pin made of 8740 steel, centerless ground and Hard Chrome coated

Extractor: 4340 Steel, Manganese Phosphate coated

Ejector: S7, shot peened and Manganese Phosphate coated

Extractor Pin: S7, shot peened and Manganese Phosphate coated

Mil-Spec Extractor and Ejector Springs, Firing Pin Retaining Pin, Gas Rings

Batch MPI and HPT tested

Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi.

Toughness of over 200 ft./lb. Charpy C-Notch

HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310

Specifications for Sharps Rifle Co. XPB 308 Balanced Bolt Carrier Group Complete:

Color: DLC Black
Finish: Matte
Fabric/Material: 8620 Alloy Steel
Caliber: .308 Caliber
Gun Model: AR-10, AR-15
Reloading Caliber: .308 Caliber

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