KA-GBBP-06
Hop Up Chamber Set for M4 Gas Blowback
Hop Up Chamber Set for King Arms M4 gas blowback rifles.
For King Arms, Western Arms, G&P WOC, A&K, Inokatsu and other compatible M4 / M16 Airsoft GBB Gas blowback rifles.
| Weight | 16g |
| Major Color | Black |
| Main Material | ABS |