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Long Range Hunting & Shooting
Howa Mini 6.5 Grendel- what is wrong?
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<blockquote data-quote="Savage16Hunter" data-source="post: 1872804" data-attributes="member: 64123"><p>I have a 16" Precision Firearms AR Grendel and found it to be very picky about bullet seating depth. With my preferred Hornady 123 gr SST bullet, using the Hornady 26 comparator holder seating depth measured Cartridge base to Ogive 1.672" - 1.675" produces a sweet spot which dropped group sizes to about 3/4 MOA. Seated deeper or further out and the groups opened to 1.25MOA+. One of the most "severe" cases of the effect of bullet seating depth I have seen on any of my guns. </p><p></p><p>Also second bpcrshooter's load recommendations. CCI 450 primer, 31.0 gr CFE-223 Hornady 123 gr SST or 123gr Amax (discontinued by Hornady after the introduced the ELD-M ) works great in my 16" bbl. 2400 fps.</p></blockquote><p></p>
[QUOTE="Savage16Hunter, post: 1872804, member: 64123"] I have a 16" Precision Firearms AR Grendel and found it to be very picky about bullet seating depth. With my preferred Hornady 123 gr SST bullet, using the Hornady 26 comparator holder seating depth measured Cartridge base to Ogive 1.672" - 1.675" produces a sweet spot which dropped group sizes to about 3/4 MOA. Seated deeper or further out and the groups opened to 1.25MOA+. One of the most "severe" cases of the effect of bullet seating depth I have seen on any of my guns. Also second bpcrshooter's load recommendations. CCI 450 primer, 31.0 gr CFE-223 Hornady 123 gr SST or 123gr Amax (discontinued by Hornady after the introduced the ELD-M ) works great in my 16" bbl. 2400 fps. [/QUOTE]
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Howa Mini 6.5 Grendel- what is wrong?
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