M4 (T.Marui) Ø6.03 Copper Inner Barrel (420mm) for GBB 10.5" barrel + QD Silencer
Item No.: 2177
US$32
M4 (T.Marui) Ø6.03 Copper Inner Barrel (408mm) for GBB 16" barrel / 14.5" + CQB Muzzle Brake
Item No.: 2176
M4 (T.Marui) Ø6.03 Copper Inner Barrel (345mm) for GBB 13.5" barrel
Item No.: 2174
US$30
M4 (T.Marui) Ø6.03 Copper Inner Barrel (315mm) for GBB 11" barrel + CQB Muzzle Brake
Item No.: 2173
US$28
M4 (T.Marui) Ø6.03 Copper Inner Barrel (280mm) for GBB 11" barrel
Item No.: 2171
US$25
M4 (T.Marui) 160% Nozzle Return Spring (Part No.121,122)
Item No.: 2169
US$7
M4 (T.Marui) Magazine Gas Tight O-ring (Part No.79)
Item No.: 2168
US$3
M4 (T.Marui) CNC Aluminium Low Profile Gas Block style 2 (Silver colour)
Item No.: 2166
US$8
M4 (T.Marui) CNC Hardened Steel Ambi Selector K3 style
Item No.: 2155
M4 (T.Marui) CNC Hardened Steel Ambi Selector K2 style
Item No.: 2154
M4 (T.Marui) CNC Hardened Steel Ambi Selector K1 style
Item No.: 2153
M4 (T.Marui) CNC Hardened Steel Ambi Selector R style (L-Long, R-Short)
Item No.: 2152