Top window cut only.


Slide, barrel, and backplate only.


Suggested to use factory sights.

Arc Reactor G43/43x Builder Kit

Excluding Sales Tax
    • Compatibility: G43, G43x, G48
    • Material: 416 stainless (heat treated 40-41 rockwell)
    • Made in the USA

    RED DOT COMPATIBILITY: Shield Arms RMS Series optics (RMS, RMSc, RMSw, and SMS)  Holosun 507K, Sig Romeo Zero, Leupold Delta Point Pro, Swampfox Sentinel 1x16


    • Handgun Type: G43
    • Barrel Caliber: 9mm
    • Barrel Profile: Ported Reactor Barrel
    • Barrel Material: 4150
    • Barrel Twist: 1:10
    • Crown: 11-degree Target Crown
    • Rifling Method: Button Rifled, Fully Stress Relieved
    • Rifling Type: Conventional 
    • Made in the USA