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Hey Guys, I was thinking of buying a sps tac in .223 for short range deer hunting ( out to 300yrd max)and was wonding if the 75 amaxs loaded to O.A.L specs would load into the mag or do the have to be single feed.
I have a nice load with the 75 amax's done for my sps tac. To be what I wanted I have them pushed all the way to the lands. 2.455 OAL. No way they fit in the mag well. But They might be plenty accurate for hunting at mag length. I saw my groups open to almost 2 MOA at 200 when loaded short. The 1:9 wants them hot to get them stable. 24.5 varget looked awsome at 2840 FPS. I bet you can tune it down some and make it work. As always, YMMV--Rob
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Ol Rob</div><div class="ubbcode-body">I saw my groups open to almost 2 MOA at 200 when loaded short.</div></div>
I wanted a fast/hot load for 75gr AMAX's but need to feed from the mag in my SPS TAC. At 24.5gr VARGET =2840fps what kind of accuracy did you get at max mag length <span style="font-weight: bold">2.37</span>?
Just wondering if I can save a little load development time here and either start at the max mag length or forget it because it won't be a MOA load. 2 MOA won't be ok for me. Shooting MK262 77gr it shot sub MOA but I need a hunting bullet for the Coyotes.
At 24.5gr VARGET =2840fps what kind of accuracy did you get at max mag length <span style="font-weight: bold">2.37</span>?
Cut out the spacer in the magbox and make a new one at the length you need. 15 minute job at most, you can retain the same spring/follower without any issues. I used JB weld and molded a new spacer to feed rounds loaded as long as 2.550". Some guys have been using blocks of derlin or aluminum for a spacer and it looks much cleaner than the one I did. They all work though.
Thunderchicken- Yea I was affraid of the same thing. At the last 600yd match we went to I was shooting this same rifle with the 69smk's. Wind was kicking my backside. Someone turned me on to the 75's and the load. I am happy to say mine likes them at no more than .010" off the lands. Carryaglock- I never tried at less than 2.440, and they sucked. I did the old dowel down the barrel trick to get 2.455.That is right on the lands. Open up the mag and send them. I am now using 24.3gr of IMR4895. The varget works great, but I am saving it for the .308. Good luck Rob