Tactical 10 does a quick look at the Well Pro AK12 M-1 Gas Blowback Rifle (GBBR), which is often described as feeling "beefy like a tank" and perfectly balanced for all-day gameplay. Key features of the rifle include a fully adjustable and folding stock with a sliding cheek piece, a double system for the magazine release, and an ambidextrous fire selector for user-friendly operation. Acccording to him GBBR delivers a nice and snappy recoil and comes equipped with a pre-installed NPAS (Negative Pressure Adjustment System) for easily tuning the muzzle velocity to meet field regulations.