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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
125 Matchking modification for hunting use in the 300 BLK?
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<blockquote data-quote="Nortex" data-source="post: 876146" data-attributes="member: 73305"><p>Thanks for the link to the parallel thread...I'll post here re: 155 grain and watch the other for your test results.</p><p></p><p>I've go a few 300BLK rigs (in fact, might need to thin the ranks a little)</p><p></p><p>Rem 700 AAC-SD, 16" barrel, 1:7</p><p>AR, 16", 1:8</p><p>AR, 10.5", 1:8</p><p></p><p>Right now all my data is out of my 16" guns.</p><p></p><p>In addition to more down range energy (on paper anyway), another reason I went with the 155 grain loads was to make a little better use of my Nikon Scope with the BDC when switching between super and sub-loads. I had found that zeroing for the lighter 110-125 grain bullets left me needing too much hold-over for subs to make use of the BDC reticle(s).</p><p></p><p></p><p>I just got a magnetospeed and plan to do a little more accurate MV recording with it.</p><p></p><p>FWIW-I seem to have lost 220 fps on my supersonic loads going from my 16" AR down to my 10.5". Price you pay to save a little weight I suppose. The real question is do I want to have two subsonic loads....If I add powder to to stay around 1050 fps in the 10.5" I have a feeling those loads will be supersonic out of my 16" guns.</p><p></p><p>Ah well, tinkering is fun.</p></blockquote><p></p>
[QUOTE="Nortex, post: 876146, member: 73305"] Thanks for the link to the parallel thread...I'll post here re: 155 grain and watch the other for your test results. I've go a few 300BLK rigs (in fact, might need to thin the ranks a little) Rem 700 AAC-SD, 16" barrel, 1:7 AR, 16", 1:8 AR, 10.5", 1:8 Right now all my data is out of my 16" guns. In addition to more down range energy (on paper anyway), another reason I went with the 155 grain loads was to make a little better use of my Nikon Scope with the BDC when switching between super and sub-loads. I had found that zeroing for the lighter 110-125 grain bullets left me needing too much hold-over for subs to make use of the BDC reticle(s). I just got a magnetospeed and plan to do a little more accurate MV recording with it. FWIW-I seem to have lost 220 fps on my supersonic loads going from my 16" AR down to my 10.5". Price you pay to save a little weight I suppose. The real question is do I want to have two subsonic loads....If I add powder to to stay around 1050 fps in the 10.5" I have a feeling those loads will be supersonic out of my 16" guns. Ah well, tinkering is fun. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
125 Matchking modification for hunting use in the 300 BLK?
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