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 and is rated at around 380-400 FPS*
*Assuming the complete functionality and working condition of the remainder of the rifle and magazines.
| Weight | 1.5 lbs |
|---|---|
| Dimensions | 6 × 2 × 2 in |
LM4 Jet Nozzle Pin
$3.50
LM4 Bolt
$25.00
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