I personally would use a Redding S type full length sizing die, with an appropriately sized carbide bush and a carbide expander button upgrade. to get the bush size you need to measure the neck of a loaded round (made with your chosen brass and bullet) and subtract 0.002". I've had fantastic results with this arrangement in other calibres.
Type S - Bushing Style Full Length Sizing DieProvides reloaders with a simple means to precisely control case neck size and tension. Uses interchangeable sizing bushings available in .001" increments. The adjustable decapping rod allows positioning the bushing to resize only a portion of the...
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Make inside neck sizing smoother and easier without lubrication. Now you can upgrade your die sets with a Redding carbide size button kit. Available for bottleneck cartridges 20 thru 338 calibre The carbide size button is free floating on the decapping rod allowing it to self centre in the case...
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I would also upgrade the locking ring
This Forster Cross-Bolt die lock ring clamps around the entire die, resulting in a more precise mating of the lock ring threads to the die threads. They are supplied with all Forster's high quality Bench Rest® Dies. Easy-to-use cross bolt connects the two ends of the ring instead of a...
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For seating i would use a Wilson seating die in an arbor press, you can then feel if any of the bullets are harder than normal to seat, and either discard them or put them in the "hunting" box, and address the issue at the next reloading.
if you just want a basic set, the following will produce excellent quality ammunition as long as you set them up correctly and take care with case prep, trimming and lubrication.
The quality and accuracy of your reloaded ammunition depends largely on the quality ofthe equipment you use to assemble it. Your choice of reloading dies should not be a casual one. Your dies lit-erally shape the quality and function of your reloads. Because they are so important, Redding give...
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you can pay more for deluxe/match die sets if you want bells and whistles, but i doubt you will see accuracy benefits - maybe save some time when developing your load and playing with seating depth.