JP Enterprises Bolt Carrier Assembly Large Frame Variable Mass Carrier Black
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JP Enterprises
Overview
The JP Enterprises Bolt Carrier Assembly for large frame builds is designed specifically for the .308 Win caliber, offering a reliable and consistent performance for your AR-10 platform. Its variable mass design allows builders to fine-tune the cycling of their rifles by optimizing the balance between bolt weight and recoil management. This assembly is commonly found in precision and tactical builds where reliability and accuracy are paramount.
Specifications
JP Enterprises Bolt Carrier Assembly Large Frame Variable Mass Carrier Black
September 2026 on GunPartPicker
JP Enterprises Bolt Carrier Assembly Large Frame Variable Mass Carrier Black ranked #31 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #44 of the 446 bolt carrier groups builders have added. Builds with this bolt carrier group are nearly all chambered in .308 Win, nearly all on rifle-length gas, and nearly all AR-10.
Today the one retailer we track has it in stock. Buying today, the lowest price is $584.25 at Optics Planet.
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