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Tuning RAW HM1000X .30 very big external plenum and high efficiency valve pic heavy

mubhaur

Member
Nov 8, 2015
1,438
29
Karachi, Pakistan
    On request of a UK based airgunner an 83cc external plenum and high efficiency valve has been made, tested and sent to him.

    He intends to make hole in his Chassis stock to accommodate this plenum.

    Plenum made from solid bar of high quality stainless steel. Safety first.

    He wants to use these parts on his .30 caliber RAW. Might be using heavy slugs. 

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