I am selling a fully modified srs silverback, it comes with 4 mags with followers installed, a pdi barrel with facless snipers silicone rhop patch, fast hop unit with F.O.W nub, 100% full seal for bucking, 4 springs 2J+, 3J+ 4J+ Hulk and stock spring, for the piston I have Sniper Mechanics W.A.S.P with all parts including stock, comes with a 2.5-10x50mm scope that can go on real steal rifels, and it also comes with a battle owl Tracer unit and bipod/forgrip. I have made custom adjustments to the trigger sear so it is fine turned for accurate shooting trigger pull is at 1.2 pounds and has a release time of .30 from the sear. NO TRADES, NO CERTIFIED CHECKS, NO CASHIER CHECKS, NO SCAMS. (NOT SELLING PARTS)