[Retlaw]

Originally Posted by walkinman221

I dont really understand how a much softer lead pellet would strip the rifling from the barrel , most shooters of air weapons find a 800–900 ft/s (240–270 m/s) range offers an ideal balance between power and pellet stability. The 1250ft/s stated is an upper limit where really is accuracy is greatly depleted so it is not practical.

Its becase of the pellet profile, and the fact that it is soft lead, is the reason it will strip & not grip the rifleing, The fastest speed I have ever driven a hard lead .303 bullet was 1600 ft p sec, even though they had the same profile as a jacketed bullet, they would strip the bore, yet the same bullets resized to .308 fired in a 7.62, attained a speed of over 1800 ft p sec, same bullet weight & powder charge, interior balistics experiments with different lead hardnesses, shows that soft lead pellets or bullets, in .177 or .22, will not perform at the speed you quoted.
Retlaw.