6.8 spc 105 & 120mkz from cavity back bullets ballistics gel test
1,874
Published 2023-06-06
#ballistics #68spc #hunting #ammo #ar15
All Comments (8)
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Love the 6.8SPC II. ARP and Bison barrels, I might have to try those.
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I have a theory about bullets with small hollow points. If the bullet hits a hard object, like a rib, on an angle it can crush the opening, preventing it from opening and expanding properly. This would explain the inconsistent results with this bullet. Barnes was having some problems with the TSX, it's expansion can be quite small, that's why they went to the TTSX design. Just a thought, have a great one.
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I see the 105gr going further in gel, but I think in a real boar or a mule deer, I'd want the 120gr. Gel is a nice way to get a consistent baseline but it doesn't have bones in it, you know? A little extra weight can't hurt, especially with performance and expansion like that.
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If shooting a 12.5" ARP barrel (which is actually 13" from bolt face), would you recommend the 105 or the 120 for whitetail out to 200 yards?
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I love Cavity Back! They have worked very well for me. I'm surprised the 105 went so deep. I push them faster than you do, I wonder if I am leaving some expansion on the table for penetration that I don't need...
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How does these compare to 5.56mm 77 grain OTM?
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Just loaded up some Barnes 95 grain TTSX's for my 6.8SPC. Curious how they compare to the cavity back, might have to load some up, those petals looked about perfect.
