GP-MEB019BK MEB012BK--->Taper -For Marui M4 / M16 Series -For M4A1 Extended Battery Buttstock (GP416 / GP417 / GP418) Package Included: -New Dust Cover Set -New Bolt Cover -Metal Hop-Up Set -Receiver Pin Set -Forward Assist Knob
GP-MEB019DE MEB012DE--->Taper -For Marui M4 / M16 Series -For M4A1 Extended Battery Buttstock (GP416 / GP417 / GP418) Package Included: -New Dust Cover Set -New Bolt Cover -Metal Hop-Up Set -Receiver Pin Set -Forward Assist Knob
GP-MEB018 GP705B--->Taper -For Marui M4 / M16 Series -For M4A1 Extended Battery Buttstock (GP416 / GP417 / GP418) Package Included: -New Dust Cover Set -New Bolt Cover -Metal Hop-Up Set -Receiver Pin Set -Forward Assist Knob
GP-MEB015DE -For Marui M4 / M16 Series & G&P F.R.S. Series -For M4A1 Extended Battery Buttstock (GP416 / GP417 / GP418) Package Included: -New Dust Cover Set -New Bolt Cover -Metal Hop-Up Set -Receiver Pin Set -Forward Assist Knob -Adaptor
GP-MSP018 -Only For Marui Shotgun -Material: Aluminum
GP-BRL052 COP072--->Taper -Length: 417mm / 16" -Material: Aluminum -One Piece Barrel -14mm Clockwise -Only can fit G&P Taper Metal Body -Fit for G&P Front Set / RAS series
GP-MSP017 -Only For Marui M870 Breacher
GP-SHP018SD -Material: Aluminum -For G&P M870 Shotgun Series
GP-SIL004BA -14mm Anti-Clockwise -For Marui & G&P M16 Series -Included G&P 3 Prong Flashider (L) (Anti-Clockwise) (FLH007A)
GP-SIL004BC -14mm Clockwise -For Marui & G&P M16 Series -Included G&P 3 Prong Flashider (L) (Clockwise) (FLH007C)