A discovery by our very own Gun Guy, the new Precision Combat Technologies Gas Blow-Back Magazine Saver is a bi-chemical compound that re-hydrates your rubber seals, extending the life of gas magazine seals, revitalizing old gas guns to like new performance!
The KWA LM4 PTR GBBR is welcome addition to the airsoft and firearms training community. KWA has finally done a gas blow back M4 and done it right! Extremely well engineered, built and priced; the KWA LM4 has all of the features you want in a gas blow back rifle. The LM4 features top notch aluminum construction on receivers, barrel, and buffer tube, and firearm grade furniture on the hand guard, pistol grip, and stock, which can be switched out to aftermarket components such as Magpul and Troy. The bolt movement is crisp and the recoil sharp. The hybrid metal/polymer construction 40rd magazine is built to be battlefield tough and to be rebuilt with spare parts from KWA when accidentally damaged. Step up your airsoft/training realism with the KWA LM4 PTR