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Originally Posted by 5.56X45mm Because compact pistols have smaller surface area for gripping the firearm and also a smaller ammunition capacity. That plays a major part in the role of the weapon and it's accuracy. Barrel length is also a major issue in accuracy. |
While I agree with you on smaller ammunition capacity, a shorter barrel should not affect accuracy. While it might seem a shorter firearm is less accurate then its longer counterpart, the reason why a shorter firearm is less accurate is because of the shorter sight radius. One thing a shorter barrel does affect is reduce muzzle velocity.
For example:-
These figures are for the South African versions of the Galil
Lm4 18 inch barrel 3200 fps
Lm5 13 inch barrel 3000 fps
Lm6 11 inch barrel 2700 fps.
I achieved these figures using the same batch of 55 grain 223/5.56 military issue ammunition over a Chrony chronograph.
I did test fire a Colt Officers model, I wasnt impressed. Good for carry, but the recoil was spiteful. Its not a firearm I'd want to practice with too often.