I've just switched to Underwood ammo.
For AP I use full power handloads. Shot them in bright light,
low light, no light, and by flashlight. Never really noticed it
BUT I'm not shooting a ported barrel either. I'm concentrating
on the COF.
What was noticed was by the guy running AP was
significantly less flash.
While shooting them the only thing I noticed was they were
louder than my hand loads.
The Underwoods are 200gn 45 ACP running at 1100fps.
What county? We shoot AP in different light conditions.
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Just looked, your ISP is phila.fios so your in NCC.
Want to try ammo in different light conditions?
Something hard to do at Ommalanden or TM.
If you call them (Underwood) chances are good you'll speak to the owner.