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RE 15 and a 550

Bayou1535

Sergeant
Full Member
Minuteman
Jun 2, 2011
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How does RE 15 drop from a Dillon 550? IS RE 15 an extruded powder like varget. I'm making my list of different powders to try for stuff heavier than 55 for a 223. I don't mind getting 2 or 3 1LB bottles to try but don't want to order 5 or 6. As of now I'm thinking of ordering a bottle of Tac, RE 15 and CFE. Would like something that meters well in 550 inwhich I've heard Tac does but I read conflicting opinions of it. Thanks
 
Re: RE 15 and a 550

Not well. If you polish the guts of the powder measure, you can expect about +/- .3gr, which of course sounds pretty bad, but consider that FGMM is about +/- .5gr.

If you do a good OCW test, you can probably identify a chargeweight that will accomodate the inconsistencies of the RL15 from the measure, and have very good ammo.
 
Re: RE 15 and a 550

Re15 is an extruded powder. The extruded powders do not get the best results with any type of powder measure, lots of variation.

I still use my Dillon powder measure for thrown charges on estruded powder but just for the short-line ammo out to 300 yds.
 
Re: RE 15 and a 550

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bayou1535</div><div class="ubbcode-body">Well this would be for 3 to 400 max. I guess I'm just another newbie trying to get out of measuring each charge individually. </div></div>

I know that it doesn't give a reloader the "warm fuzzies" to have +/- .3gr chargeweight variance, but seriously, you can have very very good ammo with that much variance.

IMR8208 is a pretty good powder for 223 with heavy-ish bullets, and though it is also an extruded stick powder, its kernels are much smaller than Varget and RL15, and it meters pretty decent...say about +/- .2gr. CFE223 and Alliant 2000MR are both ball powders and meters better yet. However, I think you'll be surprised just how well you can do with thrown charges of Varget and/or RL15. Good luck, don't overthink it!
 
Re: RE 15 and a 550

If you do - stay away from any max. loads. But I would recommend not doing it. Try a ball - 2520 for example. With a Ball, use a hot primer. My 2 cents.
 
Re: RE 15 and a 550

Over the past 6 months, I've jumped around a few different 223 powders on my 550.

Meters Well: XMR-2015, TAC, BL-C2 (+/- ~0.1 gr)

Meters Poor: Varget, RE-15 (+/- ~0.3 gr)

I use so much varget and RE-15 though, I ended up buying an RCBS chargemaster 1500. BEST reloading tool if you're looking for accurate loads with extruded powder.

I did load testing with my first batches of varget loads using the 550 powder measure w/69gr SMK's and they were about 1-1.5 moa at best. Once I started using the CM1500, i tightened up so 0.5-0.75 moa.

Definitely stay away from max loads if you keep using your dillon to measure. That +/- 0.3 gr can be significant on the upside of that tolerance.

Good luck.
 
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