G&G SSG-1 14mm CCW Muzzle Adapter Cylinders and Cylinder Heads This is the standard M4

This is the standard M4 length for use on AEGs

This particular SMG fires from the open bolt position and has an impressively loud report

please use the two tab on the rear stock buttplate by pinching them with your fingers

Flip-up metal Knights style sights

Not recommended for Tokyo Marui models without upgrades

G&G SSG-1 14mm CCW Muzzle Adapter Cylinders and Cylinder Heads This is the standard M4The G&G SSG 1 14mm CCW Muzzle Adapter Airsoft Adapter. Metal threaded CCW fits on SSG 1 speedsoft threaded outer barrel guns. Allows you to add common 14mm CCW accessories. Let's you use all 14mm CCW accessories, muzzle flash hiders, suppressors, tracer units, etc. A must have for SSG 1 users that want extensions.