JP Enterprises Vmos AR-15 Variable Mass Bolt Carrier For Small Frame Black JPBC-6H. This is especially true in the absence of an adjustable gas block. Residual gas and excessive fouling can grind your rifle to a stop. One size never fits all when it...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • JP Enterprises
  • Sku
  • JPBC6H
  • Identity
  • 16158524176

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