MK18 MOD.1 GBBR srs flat nub it comes with a single

it comes with a single metal charger with the gas fill valve embedded in the base plate

1x Flat Bottom Hop Adjustment Grub Screw For Top Cover

This kit included 10 Inch base Aluminium Outer Barrel with Aluminium Gas Block

Surface : fine-grained

or grease on the inside of the bucking or barrel as it may affect performance

MK18 MOD.1 GBBR srs flat nub it comes with a singleComing from the origin of the M4A1 MWS. This Replica keeps exactly the same internals but with the advantage of coming already modified to be Externally like a MK18. De GBBR MK18 licenced door daniel defence! Tokyo marui use the ZET System that increases durability of the bolt and internal systems. The MK18 is an decendant of the M4 only this replica is equiped with the CLOSE QUARTERS BATTLE reciever, that's why this replica is better in the close