KWC 17 CO2 Full Blowback .177cal (4.5mm) AirGun BB Pistol rotcho This is where the buffer

This is where the buffer tube itself threads into the receiver

Manufacturer: Elite Force

You heard that right

This system is also what makes the F1's "2-stage" firing possible

KWC 17 CO2 Full Blowback .177cal (4.5mm) AirGun BB Pistol rotcho This is where the bufferFeatures Durable metal alloy slide and polymer frame construction Strong blowback action Forward slide serrations and lightening cuts Powerful, high efficiency CO2 gas system Disassembles just like a real pistol Realistic drop free magazine Manufacturer: Umarex FPS Range: 300 350 Specifications: Weight: 750g Length: 205mm Gas: 12 gram CO2 cartridge (not included) Caliber: 4. 5mm . 177 Cal 0. 35g steel BBs Magazine Capacity: 15 Hop Up: Yes Package