Dannybot Posted December 5, 2014 Share Posted December 5, 2014 Anybody load these for .223 AR? I didn't realize the length when I picked them up. I thought they'd be close to the 75 OTM's. I was able to make a dummy round at 2.260 OAL and it fits my magazines. Would it be acceptable to start with published powder weights I have listed in my normal resources and work up like other loads? Most searches have just said ".. Bullet too long for magazine fed .233, should be used as single load for long range shooting. Link to comment Share on other sites More sharing options...
Dan Sierpina Posted December 6, 2014 Share Posted December 6, 2014 The searches are correct. The 75 Amax is designed for single loading for use in NRA Highpower matches. Link to comment Share on other sites More sharing options...
fdbyrne79 Posted December 7, 2014 Share Posted December 7, 2014 I don't think that they are intended to be loaded to magazine length. I've got the Hornady manual. It lists data separately for 223, 223 service rifle, and 5.56. None list an overall length short enough for a magazine. I think the Hornady 75gr BTHP are the longest bullets that can be safely loaded to function from a magazine. Link to comment Share on other sites More sharing options...
blaese490 Posted December 8, 2014 Share Posted December 8, 2014 I made the same mistake... Unfortunately, these wont work in Magazine fed guns... by the time u seat it deep enough there is no longer any neck tension. Link to comment Share on other sites More sharing options...
rboyes Posted December 9, 2014 Share Posted December 9, 2014 It can be done with the right magazines. I was able to load them at least 2.3" in HK mags (I forget the exact oal). They functioned fine, but accuracy and velocity were poor. The experiment was worth a try but the Hornady 75gr bthp are the way to go. Link to comment Share on other sites More sharing options...
fastshooter03 Posted December 19, 2014 Share Posted December 19, 2014 just make a 221 fireball upper Nick Link to comment Share on other sites More sharing options...
Graham Smith Posted December 19, 2014 Share Posted December 19, 2014 They are also going to need a 1:9 or 1:8 twist barrel for bullets that long. That might be a good bullet for a .220 Swift bolt gun. Link to comment Share on other sites More sharing options...
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