Every BPS 10 I ever saw needed at least an inch taken out of the stock. Seems like they made them for the NBA players. Stock is to long and clobbers me. I’ve owned a couple SP10’s and they were crème puffs to shoot.
There's also the factor that the BPS is a 9 3/4 lb fixed-breech gun where the SP-10 is an 11 lb. gas-operated gun.
