FRT 15 THINGS TO KNOW BEFORE YOU BUY

Bore Buddy Gen three Adjustable 22lr Bolt Body weight (for 16" barrels/supersonic ammo use all tungsten weights, for lower velocity subsonic ammo and/or shorter barrel lengths stainless weights will probable be required):That is a brand new set up so questioning if it just desires some split-in? Almost every other Concepts? I surely can't go heavie