I agree. Personally I would say 100 yard max for a .300 BLK pistol. I would use Barnes LRX projectiles because they are designed to expand at long ranges after the projectile has lost much of it's energy. Perfect for a short barreled .300 BLK at longer distances.

USMC 1997-2002. 6173 CH-53D Sea Stallion Helicopter Crew Chief and Flightline Mechanic. Semper Fi!

"Be still, Taggart!"