Arcturus Battlelink Minimalist Stock (Black) Thread Adaptors it has "W hold ledges"

it has "W hold ledges"

20g BBs varies by AEG

The VFC Avalon ECS M4 Complete Gearbox

Two ledges in the packing are steady of the BB's trajectory

Uses 4x AAA batteries (sold separately)

Arcturus Battlelink Minimalist Stock (Black) Thread Adaptors it has "W hold ledges"Arcturus develops select rifle carbine accessories specifically for the Military, Law Enforcement and Civilian shooter markets. Cutting edge design of these accessories centers on the need for enhanced accuracy and functionality of the weapons systems while improving operator effectiveness. The Arcturus Battlelink Minimalist AR 15 Stock is the perfect aftermarket stock for your rifle. This stock is extremely light and is made of polymer. This stock