Holosun | 510 SERIES .177 A 500cc Carbon Fiber Bottle

A 500cc Carbon Fiber Bottle or 300cc tube

Air Venturi Avenger (180cc) 0-4350 PSI - approx

177 | 120 in

Externally adjustable hammer spring tension

Interchangeable calibers and barrel liners (additional calibers and liners sold separately)

Holosun | 510 SERIES .177 A 500cc Carbon Fiber BottleThe HS510C is an open reflex optical sight designed for rifle and carbine applications. Features include Holosuns Super LED with up to 50k hours battery life, Multi Reticle System, Solar Failsafe, and Shake Awake. The HM3X is An Aluminum bodied 3X magnifier that includes a quick release, ambidextrous, flip to side mount with Absolute and Lower 1 3 Co witness mounting solutions. Additional features include 2. 75 of eye relief, IP67 certified water