Action Army T11 VSR Sniper Rifle Head Gear while these are 16:1 so

while these are 16:1 so you get more turns of the sector gear per revolution of the motor's pinion gear

30mm diameter at base

For the full blowback model

PTS MEC AEG version - Hop Up Rubber Bucking (2-pack)

HK UMP 400 round Hicap AEG Magazine

Action Army T11 VSR Sniper Rifle Head Gear while these are 16:1 soThe Action Army T11 VSR is a spring powered airsoft sniper rifle that comes fully upgraded out of the box. Very high quality polymer furniture, stock, and upgraded parts. 100% VSR 10 compatible with ALL custom parts, magazines, etc. Comes in a long rifle or short CQB version. A very solid and sturdy lightweight sniper rifle. Spring powered bolt is very easy to pull back for each shot. FPS 430 w . 20g (long version); 400 FPS (Short version) Featuring: