COL Question for .223
This is a discussion on COL Question for .223 within the Reloading forums, part of the Defensive Ammunition & Ballistics category; I'm fairly new to reloading rifle cartridges. I just loaded 50 rds of Sierra Gameking 55gr HPBT. Long story short, I set them at 2.210 ...
September 21st, 2013 10:39 PM
COL Question for .223
I'm fairly new to reloading rifle cartridges. I just loaded 50 rds of Sierra Gameking 55gr HPBT. Long story short, I set them at 2.210 when they should have been set at 2.240 My eyes read the COL for the bullet listed above it. 25 of them are loaded at suggested start of 25.0 gr. and 25 are at 25.5 Does anyone see this as being a pressure problem? Or do I pull them. Thanks
S&W M&P 9c
Stag Arms 2T
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September 22nd, 2013 09:45 AM
Nope. Shoot them. Stated COLs, especially in rifle rounds, are a nebulous dimension. Many rifle loads are "compressed" with longer bullets. Typically longer COLs will improve accuracy, with the bullet just a few .001s shy of touching the rifling.
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September 27th, 2013 04:34 PM
Magazine fed guns like AR's I always load to Max Magazine OAL which is 2.260, or to the Cannelure.
Bolt guns COAL is gun dependent if your trying to minimize bullet jump.
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September 27th, 2013 05:30 PM
Nope if they are too short they will never reach the target
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