Cylinder set, Bore-Up, stainless steel, M16, M4, SHS

Cylinder set, Bore-Up, stainless steel, M16, M4, SHS. Stainless steel Bore-up set for airsoft weapons series M16/M4 from SHS. Set consists of all the necessary components of air conditioning throughout, which in relation to each have optimal sizes and offer a perfect seal. Based on experience in upgrades to the NBU/BU set achieve the greatest performance increase over the real stiffness of the spring. The shape and material of the quiet impact surfaces on the cylinder head and the piston head is made to minimize unwanted noise that creates impact piston head to the cylinder head at each shot (the so-called silent variation). For optimal function is recommended by the manufacturer for spring and M120 above. The package contains a plastic BU piston head with a tapered impact, aluminum cylinder head with two o-rings, ribbed cylinder without hole, the plastic delayer on the piston gear and metal nozzle 21.4 mm with O-ring. Unbeatable price/performance ratio.

Attention: Due to the varying dimensions of parts of the NBU can not be combined with conventional basic components of cylinder set. Sometimes this is possible only after appropriate treatments.

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