Handloading with Reloder 10X

Loads for Reloder 10x


Q: I was recently given two canisters of Alliant Reloder 10x. I’ve never heard of this powder before and have no idea of its burning rate or the cartridges it is best suited for reloading. What can you tell me about it? 

I own a .223 Remington, a .22-250 and a .270 Winchester. Could you suggest loads for any of these three cartridges, if Reloder 10x is suited for them?

Rob James

A: Reloder 10x has been around for the past 20 years. Its burning rate falls between Reloder 7 and Reloder 15. 

I have a couple of canisters myself and assembled an excellent varmint load for a Remington 700 .22-250. A maximum charge of 33gn drives the 50gn Hornady V-Max at 3750fps, but I settled for 30gn which drives the 50gn V-Max at close to 3500fps and groups ½ MOA.

More recently, while playing with a new Marlin in .45-70 I settled for 50gn of Reloder 10x behind the Hornady 300gn HP for just over 1900fps, which produced three-shot groups of .75” at 50 yards.

In my .223 a 22.5gn charge drives a 50gn bullet at 3215fps.

Reloder 10x is too fast burning, however, for the .270 Winchester.

 

 

 


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Nick Harvey

The late Nick Harvey (1931-2024) was one of the world's most experienced and knowledgeable gun writers, a true legend of the business. He wrote about firearms and hunting for about 70 years, published many books and uncounted articles, and travelled the world to hunt and shoot. His reloading manuals are highly sought after, and his knowledge of the subject was unmatched. He was Sporting Shooter's Technical Editor for almost 50 years. His work lives on here as part of his legacy to us all.

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