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9/22/2017 12:11:25 AM
Posted: 9/7/2005 10:52:00 AM EDT
[Last Edit: 9/7/2005 10:52:49 AM EDT by powers]
Double Duty rifle, 5.56 chamber, shooting 223 accuracy comprimise

I understand the difference in SHTF and match ammo. My question is how much accuracy will I sacrifice by shooting 223 match in a 5.56 chamber. I understand that 5.56 has slightly more generous chamber dimensions than 223.

I will be building a new upper in an 18" SPR type config. I would like for it to be as accurate as possible but also be able to use it for a SHTF rifle. I want to stock up on cheaper 5.56 ammo for general use and match type of ammo for hunting and longer range shooting.

Or can I buy match grade 5.56 ammo which will complement my SHTF ammo stash?



Link Posted: 9/7/2005 1:36:48 PM EDT
Use .223 Wylde which will retain the 5.56 body.
Link Posted: 9/7/2005 3:41:37 PM EDT
shouldn;t be an issue. I can get 1 inch groups out of my chromed lined 5.56 bushmaster at 100 yards.
Link Posted: 9/7/2005 4:50:22 PM EDT
by using .223 in a 5.56 bore is less a compromise in accuracy and more of a failing to utilize the full potential of the weapon. I would think you are giving up more fps than accuracy.

Based on my admittedly elementary knowlege, I would assume this would more likely to effect fragmentation rates etc.

HTHb
Link Posted: 9/7/2005 5:03:38 PM EDT

Originally Posted By colt100:
shouldn;t be an issue. I can get 1 inch groups out of my chromed lined 5.56 bushmaster at 100 yards.



what he said
Link Posted: 9/7/2005 6:23:27 PM EDT
WHy would you get a SPR barrel with 5.56 chamber? You guys are missing the point. There is NO REASON to do that when you can use Wylde and have the same reliability.
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