Element AN/PEQ-15 Illuminator / Laser Module - Black Barrel Length_370mm there are 3 indentations that

there are 3 indentations that help force more air to push the BB with more force therefore giving it a further trajectory

The Maxx Trolley works in unison with the Flat-hop and Maple Leaf Super Macaron MR-Hops

3) increases gas-tightness with loading nozzle

It's made specifically for the 2

Two D-rings on the back for a shoulder strap (not included)

Element AN/PEQ-15 Illuminator / Laser Module - Black Barrel Length_370mm there are 3 indentations thatTorch laser IR functionality. The unit fits any standard 20mm rail and easily secured with a thumb screw. Takes 2X CR123A battery. (Not Included) ABS construction with a metal mounting bracket. Includes a protective case and pressure pad. Black in colour.