LM4 High Power Bolt Carrier Group

Availability: In Stock
Brand: KWA

The KWA LM4 Bolt Assembly is a drop-in bolt carrier group that fits the KWA LM4 PTR line, including the LM4C and LM4 RIS. This assembly comes with the nylon polymer bolt and metal Bolt Carrier Key pre-installed, and also includes the metal piston stop insert. This is the stock BCG that comes in all LM4 and AR-15 models.


  • Dimensions - 6 × 2 × 2 in.
  • Weight - 1.5 lbs.


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