HPA 6mm 500 Count Biodegradable BB's 0.48g BB's The M28 also features dense

The M28 also features dense textured frame giving the rifle a sturdy and rugged feel

The Echo1 M28 utilizes several barrel stabilizers to keep the inner barrel secure ensuring accurate shots each time

Mounts onto most Weaver / Picatinny / MIL-STD 1913/ Pistol accessory spec rails

Failure to do so can result product mal-function and injuries

HPA 6mm 500 Count Biodegradable BB's 0.48g BB's The M28 also features denseHigh Powered Airsoft 0. 48G High Power Airsoft Enhanced Biodegradable BBs are the worlds only Bio BBs to be tested and conrmed biodegradable by an accredited U. S Laboratory. They have passed an intense quality control system. They conform to the EU EN13432 standard of degradability and the ISO standard 3290 2001 G3 which is the highest industry standard for precision rolling bearings.