redding national match dies

[StudentOfTheArts]

Guys,
I got saw these dies on Reddings web site. Anyone have a set, how are they? Do i really need a taper crimp die? What are the pros/cons on these dies?

I will be loading 223, 308, -06 all bolt guns. The 223 will be used for varmints and tac matches"if i can find some in the area". The 308 will be used for match shoots. The -06 will be used for hunting"if i can get my but out there".

Thanks for any help,
SOTA

 

[milo 2.0]

Re: redding national match dies

SOTA,
Not for bolt guns you don't. You should crimp .223 rounds in an AR style gun. Something to do with headspacing at the case mouth.

 

[armydog]

Re: redding national match dies

you need to crimp cases used in an auto rifle not so much in a bolt gun. In an auto the bullet can get shoved back into the case causing over pressure issues, a bad thing. I crimp every thing because I shoot all my 223, 308 and 30-06 in both type actions.

 

[bowslngr]

Re: redding national match dies

If you are not using bushing dies and setting them up for light neck tension, you don't need to crimp for use in autoloaders. Typical neck tension that you would get from a standard die is enough.

 

[JimGnitecki]

Re: redding national match dies

I am using the Redding Type S sizing and micrometer seating dies, for 308 semiauto use, and do NOT crimp.

I use Lapua cases, whoe neck wall thickness is .0155", and wanted .003" interference fit between bullet and case neck to prevent bullet setback in the magazine or during feeding, so the math went like this:

Bushing size = bullet diameter of .308" + 2 x wall thickness of .0155 minus .003" interference fit desired = .336" bushing.

I've fired about 75 rounds so far and am getting good results.

Jim G

 

[Frank Green]

Re: redding national match dies

Crimping can effect accuracy. If you crimp make small lots and test them.

Check your guns. Make up a couple of dummy rounds (no powder or primer). Feed the dummy rounds from the magazines thru your gun. Check your O.A.L. before and after testing to see if the bullets are getting pushed back at all.

None of my AR's or M1A or M1 Garands push the bullet back into the case during feeding. I don't crimp any of these rounds.

The only rounds I crimp are for tubular fed guns like lever guns and pistol rounds.

Check your gun. It will tell you what it wants.

Later, Frank
Bartlein Barrels