OG Monk PolarStar Euro HPA M4 full-airrigs The full metal construction gives

The full metal construction gives this rifle a beefy

Heavy duty Impact-resistant materials

and Red accented hardware

this replacement cap is designed to significantly increase the durability of the regulator threading while maintaining perfect alignment every time you air up

F-1 Firearms has become one of the premier brands in semi-automatic sporting rifles

OG Monk PolarStar Euro HPA M4 full-airrigs The full metal construction givesFully Built and tuned by the Best, KA Tech Airsoft. This is a limited and discontinued OG Monk Body with all the latest and greatest KA Tech Tuning. Featuring a Polarstar Fusion Engine, Clicky speed trigger, and Maxx M4G hopup unit with our custom bucking and inner barrel assembly for OUTRAGEOUS range and accuracy. Its a one and done, once its sold its never coming back.