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AR15.COM
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12/5/2001 1:16:05 PM EDT
Is there a list of DCM or NRA Highpower Competition legal modifications or specs for rifles?  

I got my AR-15 recently,and would like to compete, and there are just SO many goodies that you can add or change, but I want to keep mine legal for competition.

thanks
12/5/2001 1:24:23 PM EDT
[#1]
You can write to either of those organizations and for a modest fee they will send you a complete book of rules (which includes allowed modifications).
12/5/2001 1:50:31 PM EDT
[#2]
As a general rule, anything which alters the outward appearance of the rifle is verboten in DCM matches.  Thus a match trigger is OK as long as what hangs down below the receiver appears the same as a USGI trigger, but an ambi safety is a no-go.  Reading the rules is a must.
12/5/2001 2:01:26 PM EDT
[#3]
This explanation may be too simple; if so, I apologize.

I assume you are speaking of AR-based "service rifle" competition, as opposed to "match rifle" competition.  Broadly, a "service rifle" has to appear (emphasize appear) exactly like a US service rifle (there is one exception for Post-Ban rifles with no flash suppressors).  Several armorers - Accuracy Speaks, Fulton Armory, Compass Lake Engineering - have web sites, and that will help you understand modifications.  Also, the Bushmaster on-line catalog carries some kind of CMP / DCM weapon, so you can look to see what features it has.

My $.02, but the most common mod's (in order) probably are: trigger job; improved sights; steel tube around barrel; match barrel.

Again, broadly speaking, match rifle is much less restricted.  "Space guns" are not uncommon.
12/5/2001 2:25:31 PM EDT
[#4]
Read the FAQs here, then print out the pdf
version of the rule book
at this link. It includes a section describing
legal modifications for the AR-15.

www.odcmp.com/Services/Competitions/rules.htm
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