M4
M4-K-03-2 GHK M4 Enhanced Blowback Recoil Spring
$9.50
M4-K-03-2 GHK M4 Enhanced Blowback Recoil Spring ● Material: steel. ● This item is made by GHK, which is powerful than the original spring number #M4-34...
M4-K-03-3 GHK M4 Lightweight Buffer Rod
$25.00
M4-K-03-3 GHK M4 Lightweight Buffer Rod - Material: aluminum. - The original weighs of buffer rod is 90g, this lightweight version is about 38g only. - The lightweight rod is mainly to enchance the shooting speed cycle...