FPS Softair Carbon Fibre Piston with Full Metal Rack; TM M4 NGRS

Keep your TM NGRS build reliable with the FPS Softair Carbon Fibre Piston with Full Metal Rack; TM M4 NGRS! A super-strong piston made from carbon fibre-infused technopolymer with a full tooth rack made from SAE 4650 alloy, this is about the best M4 NGRS piston on the market, made in Italy by Airsoft upgrade Gods, FPS Softair. The rack is made from copper-beryllium alloy using the MIM (metal injection moulding) process, ensuring tolerances are tight, surface finish is precise, and strength is at a peak, rivalling and exceeding many Airsoft pistons with mild steel racks. If you're upgrading anything else on your TM M4 NGRS, the FPS Softair Carbon Fibre Piston with Full Metal Rack; TM M4 NGRS is essential!