Stock-Butt Extension: G&G ARP9 & 556 Series GOS-V5 Series MKII Prevent the Anti-reversal and Trigger

Prevent the Anti-reversal and Trigger from popping out while attempting to assemble the gearbox back together after an upgrade/ maintenance and save time from countless attempts on the reassembly

Highly Recommended to use the Airtech BSU Barrel Stabilizer Unit (Sold Separately) to Lock-Down the Inner Barrel Preventing it From Swaying When Shooting to Increase accuracy and consistency

Designed specifically for the ASG Scorpion Evo 3 A1 to upgrade the existing adjustment wheel for easier and precise Hop-up adjustments

The flat hop applied will prevent the BB from bouncing  inside the inner barrel before exiting

Stock-Butt Extension: G&G ARP9 & 556 Series GOS-V5 Series MKII Prevent the Anti-reversal and TriggerIn collaboration with Burst head Japan, the Butt stock Extension design attaches to the rear of the G&G ARP9 556 to ensure the gun can be rested on the shoulder securely to restrict slippage this will help to aim with maximum comfort and stability. Simple to install! Simply insert the plates on each side of the G&G GOS V5 stock and then tighten the screws. Secures the Stock butt securely on your shoulder with maximum comfort and stability. Expansive