This rubber O-ring is a direct replacement for all LM4 Series rifles, and fits around the LM4 bolt base, part 60. The ring itself appears as part 191 on LM4 diagrams. Occasional replacement of this part helps restore compression, FPS, and cycling abilities of your KWA LM4. Bolt base sold separately.
Large O-Ring for LM4 (Part 191)
$3.90
This rubber O-ring is a direct replacement for all LM4 Series rifles, and fits around the LM4 bolt base, part 60. The ring itself appears as part 191 on LM4 diagrams. Occasional replacement of this part helps restore compression, FPS, and cycling abilities of your KWA LM4. Bolt base sold separately.
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