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Delta Ring for M4a1
MK Tactical Hobbies is an Australian based manufacturer
Diversify Guide Rod is made by Stainless Steel material with CNC machined
giving it a more accurate escape from the barrel
CowCow BO1 Dynamic Blowback Housing Color:Silver Delta Ring for M4a1B01 Blowback Housing is precision CNC machined from aluminium 7075 for ultimate durability and quality. Weighing in at just 18 grams, this blowback housing will improve the cycling action as well as gas transmission. Also, the special design on piston head can let the O ring always in prefect condition. It minimises the air leakage during the blowback action and the different sizes of anti oil O Ring provided can fit common used nozzles in the market.
