Hephaestus CNC Steel Bolt Carrier ( Standard Type ) for GHK AK GBB System Series EBB believing they can improve upon

believing they can improve upon this concept

: M92F-03(BK)

02 inner Barrel with Chamber Set for TM G Model 17 / 18C / 22 GBBP ( Black )

CNC S45C Steel Construction ( Titanium Coating )

- Ambidextrous Thumb Safety

Hephaestus CNC Steel Bolt Carrier ( Standard Type ) for GHK AK GBB System Series EBB believing they can improve uponCNC machined steel construction with abrasion resistant QPQ finishing. Precise weight balancing to produce sharp recoil and maximize performance (Net weight: ~215g). Facilitate consistent rate of fire and superb gas efficiency. Enhance reliability and shooting experience. Suitable for GHK AK GBB system. Enhanced replacement for original Bolt Carrier (#GKM 08 2 1).