The KWA LM4 Series semi-tightbore 370mm 6.05mm brass inner barrel is made of the highest quality material and is meticulously crafted to precise specifications. With this inner barrel, you can truly customize your LM4 to to fit any style of game play.

Although this barrel is the stock inner barrel for the LM4 PTR, it can be used in any LM4 Series rifle.

Weight .75 lbs
Dimensions 16 × 1 × 1 in