GSI Hop-up Arm for APFG (MCX / MPX) PK410 the United States Navy SEALs

the United States Navy SEALs also used it in small numbers during the Vietnam War designated as the T223 made under license by Harrington & Richardson (H&R) due to the available 40 round magazines

making it an excellent choice for long-range engagements

guided by sound signals and a multicolor LED

Optical Sensor - Enables precise and consistent trigger checking for smooth shooting time

giving it the same robustness you could expect from the real deal itself

GSI Hop-up Arm for APFG (MCX / MPX) PK410 the United States Navy SEALsGSI Hop up arm for APFG MCX, increases accuracy (hop up tensioner included) The hop up arm included as standard in the APFG MCX series has a lot of left right play, which makes bullets not come out consistently. To solve this problem, GSI improved the play of the hop up arm for the MCX and matched it with a dedicated hop up rubber and hop up tensioner to create the optimal bullet collection. This precision engineered upgrade ensures your shots are