GuysHas anyone done a velocity loss per inch when shortening a 22 cal bbl, as a rough test, I don't believe that anyone would cut down an accurate bbl? Or what is the best bbl length using 14 thru 20 grn pellets in the 800-900 fps range, from a tuned rifle?Would Co2 or Hpa make a difference in velocity?I want to add a LDC to my 79 dual fuel build (Very very back yard quite),but have reservations about cutting the 21-1/2" bbl down to around 16 - 18" etc,to fit the LDC and keep as short as possible etc.Inquiring minds want to know....... What say you AR Gurus.............Tia,Don
Lots of variables come into play here. Factors such as pressure, porting, pellet weight and bore size, tune.Marauder barrels are 19.5" and can make 900 fps just fine with 15/18 gr pellets. You could likely make 900 fps with a 18 gr pellet out of just 15" of barrel quite easily but efficiency will suffer.-Matt