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Long Range 308 ammo


Armed Eye Doc

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23 hours ago, Merle said:

I've fired 100 rounds of the 185 Juggernauts through my 16" Criterion barrel. Shoots decent and fits in Lancer mags just fine.

20191201_101238.jpg

Sunday after Christmas, we're shooting, brother...  I hope you can make it down here.  Plot that on your calendar, and let's shoot...  :thumbup:

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Speer makes some excellent bullets.

Decades ago I was playing around with my 22/250.  Made the mistake of buying a chronograph and man did I get an education on what things actually do in the real World based on what you read in the reloading manuals.

I had a "go-to" load already developed using Sierra 52 grain bench rest bullets and IMR power (can't even remember which one a the moment, 4064 maybe?).  Shot them over the chrony and they were WAY down on velocity, like over 300 fps under what the manual stated....WTF?

Started over from scratch and purchased come Speer 52 grain BR flat base bullets and H414 powder.  They went over the chrony over 300fps faster and every single one virtually in the same hole at 100 yards.  Despite loosing a bit with ballistic coefficient going to flat base the improved accuracy and added velocity made a World of difference in actual use.

I was able to extend my range some and shot Varmints out past 400 yards with very few misses and can't remember any misses sub-300 yards unless the jerk behind the trigger wasn't doing their part for some reason.

Couple of things we don't have the luxury of doing here (unless single loading) is overall length and bullet "jump" into the rifling unless you are single loading and neck sizing only.  They can make a difference with certain loads and I typically try to minimize the bullet jump deal when loading for the 308-AR's that we have here but I still run all the cases thru a full length die and put a decent crimp on them for reliability and safety reasons........Cliff

Edited by Cliff R
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17 hours ago, MikedaddyH said:

Picked up a box of Speer Target Match 168gr bthp projectiles and made some 308 ammo yesterday. 44.5-44.5gr of Varget , CCI 34 primers @ 2.7995" to 2.8005".

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I pulled 2 boxes of those Hornady 178 ELD-Xs from Cal Ranch in CG, on a lunch break.  Would'a snatched more if they had more.  I need to develope this load on it's own, and not just copy my load data for the 178 HPBTs...  This is crazy G1 and G7 drag numbers for these things...

Hornady 178s compared.png

I'm up in the air on RL-15 or Accurate 2495 for these - I think I'll build both and see what shakes out.

Edited by 98Z5V
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12 hours ago, 98Z5V said:

I pulled 2 boxes of those Hornady 178 ELD-Xs from Cal Ranch in CG, on a lunch break.  Would'a snatched more if they had more.  I need to develope this load on it's own, and not just copy my load data for the 178 HPBTs...  This is crazy G1 and G7 drag numbers for these things...

Hornady 178s compared.png

I'm up in the air on RL-15 or Accurate 2495 for these - I think I'll build both and see what shakes out.

Remember a few years ago we shot some H414 in the 300wsm and it was low recoil but the bullets hauled a$$ ! That might be a good powder for the bullet. 😗😙

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