One of a kind custom Air Arms S510 xtra FAC .22 with 700mm FX superior liner. Valve, barrel and transfer ported & polished. Re worked trigger adjustable down 3 oz to 16 oz. Machined few parts, to accommodate FX liners. Stock barrel can be swaped out and used no problem. leade into liner to load slugs easily. Hammer spring preload increased. Shoots Nsa 17.5 grn at 975 fps. Added tactical chassis and Luth-ar buffer tube with Magpul PRS lite stock, all mil-spec. Very consistent and accurate. Air Arms build quality is top of the line. Holds air as it did from factory no leaks. 2 magazines, fill probe and, Donnyfl 1/2-20 adapter.
without shroud
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