BJ TAC SB-style Stock (Dark Earth) Gas Pistols and Rifles Inner Barrels The new Holosun HM3X features

The new Holosun HM3X features an adjustable diopter to dial in the desired focus

The airsoft version is fully licensed by Umarex and comes with a decent 14rd capacity in its flush magazine

This product is PTS Licensed Airsoft Replica for airsoft

Easy to adjust hop up

The knurled thread protector reveals standard 14mm Negative threads

BJ TAC SB-style Stock (Dark Earth) Gas Pistols and Rifles Inner Barrels The new Holosun HM3X featuresThe BJ Tac SB style stock is designed to offer the pistol brace look for you to build your "pistol" style short barreled AR featured by many shooters in the United States due to fire arm regulations. The stock works much like standard stocks and works with standard buffer tubes found on both GBB as well as AEG M4s. Compatibility: M4 AEG Series Airsoft Guns M4 GBBR Series Airsoft Guns Includes: x1 BJ TAC SB Style Stock for M4 AEG GBBR Airsoft Dark Earth