This WORKER MOD Tactical M4 Front Triangle Sight simulate the M4 carbine. You need to install this sight onto our barrel tube, we suggest install together with our muzzle so as to complete the muzzle just like a M4 carbine.
Worker MOD Tactical M4 Front Triangle Sight
Size (LxWxH, mm): 85 x 50
Weight (g): 51
Packing: Carton Box
Packing Size (LxWxH, mm): 100 x 60 x 30