The gun is an Air Arms S510 XTRA Ultimate(?) Sporter FAC (LW bbl I believe) in .177. The gun is on order - due to arrive next week. Back yard range max 50yds. FPS probably around 1000 if that's practical/possible from this gun. Just looking for a starting point re pellet choice (some worth trying vs some to avoid). From reading some of your later posts, it seems that you're really on top of everything .177!
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