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24” Criterion Light Varmint Barrel

44gr Varget
185gr Berger Classic Hunter, lightly kissing the lands.
Tula Larg Rifle Magnum.
5 shots at 100 yards

Can’t say with certainty if the flyer was me or not. 4 of the five went into .285”.

John

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Last edited by Hondo64d; 02/01/18.

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What variation of 308 chamber does Criterion use?

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I can’t remember to be honest. Much more freebore than my previous .308s but no tight neck or anything like that. The 185gr kissing the lands is still short enough to function through my AICS mags. BTO is 2.190”. Seating depth test next.

John

Last edited by Hondo64d; 02/01/18.

If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14
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Originally Posted by mathman
What variation of 308 chamber does Criterion use?


Talked to James at Northland Shooters Supply. I got the SAAMI spec chamber, which has .090” freebore.

Ran a seating depth test. It likes the 185gr Classic Hunters at .030” off the lands. At that depth, it put five into .304”. Left to right; .010” off, .020” off and .030” off. The load in the post above was .010” into the lands.

John

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If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14
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did anyone shoot the 150 grain e tip?

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Thanks that is good to know. I have 155 Palma load of Varget at 45.5. I Need to set the chrono up.
The other load was 42gr of AR-comp




Originally Posted by prm
Just for grins I tried my 155 Scenars pushed by 45gn of Varget in a comparison of cold (sat out all night at 5*) and warm (~65*). No difference, all right around 2900. Hard to beat that for a hunting load.

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Man I have just read through all 26 pages of this thread since about 7 this morn. I'm trying to get an idea of a starting point for my build, but the one thing that was missing from just about all the posts was twist rate. Each member gave specific information. Bullet weight, powder of choice, grains, brass, primer type, brand of bullet, speeds, but the one thing I was looking for was twist rate. I have been a Browning abolt 7mm guy all my life, but with the recent purchases of .308's that my sons have, I decided to get one. Rem 700 action with #4 shilen contour at 18" threaded for brake of suppressor. All 3 of the .308's are Rem 700's in 1:10 twist. It just would have been nice to see 1:10, 1:11.25, 1:12 depending on your "recipe", if that will make a difference. I know some heavier loads will shoot better in 1:10 vs 1:12, but what do I know. I'm just a NEWB who read 26 pages worth of information that I 'm just learning about.

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Jr. You're on the right track, reading this one should gain some knowledge.

I think, I will try the 130 grain Barnes T-TSX bullets this year. I think they would work well on most animals.


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Originally Posted by Spartacus
Jr. You're on the right track, reading this one should gain some knowledge.

I think, I will try the 130 grain Barnes T-TSX bullets this year. I think they would work well on most animals.


That bullet worked well for me in a pinch with a grizzly a few nights ago! Loaded 51 grs of TAC out of my Ruger American stainless compact with 18" barrel. Broke one shoulder, destroyed the vitals and exited near the off-sides' kidney. The same bullet but with a slower speed with varget worked wonderfully for my wife on a caribou last Fall.

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AKMTN, That's great timing I saw your write up and was going to ask what your load is, not that it'd make a difference, just curious who else is shooting 130's and what load.


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HC27,
My .308 load with 130 TTSX consists of W/W cases, Fed 210M primer, 44.6 grains of AR Benchmark 2 ( Hodgdons Benchmark over there ), which gives me 2969 f/s in a 22.4 inch bbl, and sub MOA accuracy. I've shot 4 Fallow deer and several other smaller animals with them so far. Every one has given a complete pass through but left the petals inside or in the skin on exit side. They are instant killers with high shoulder shots, but animals that were double lunged ran quite a way. I prefer cup & core, Woodleighs partitions or accubonds.
Cheers, Jack

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My Remington Model 7 is a 20” 1:10 twist barrel. My best load for it is nothing crazy; 150gr Interlock with 46.0gr of Varget. Hornady Brass, CCI #200 primer. Shoots well under 1 MOA even with full length sized brass, I bet I could shrink groups further if I neck sized and played with seating depths, but without that it shoots more than good enough for me. Right now I’m just seating to the cannelure.

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I seen Laupa's 308 win palma brass with small primer. What decapping/resizer die would you guys recommend to use with this brass? Thanks for the feedback!

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SDupontJr,

Regarding twist rate, my philosophy is to err to the fast side. With modern bullets, I don't believe that too fast of a twist hurts accuracy much if any, but too slow given the bullet length, speed and atmospheric condition will hurt accuracy.

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I have read this thread from front to back several times and referenced it many more, THANK YOU to all that have been so helpful and especially to mathman for being so free with his knowledge. You guys are what make this place so great.

I have a couple thousand WLRM and wanted to use them for several .308’s and .243’s should I use them in the.308 or just load them all in my .338wm.?......granted that would be a lifetime supply but I do have hundreds and hundreds of once fired .338wm? Varget and RL15 are the powders at hand for the.308 (I just found a pound of IMR4064 and IMR4831 too). Thanks for such an informative thread. 👍


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Originally Posted by akmtnrunner
That bullet worked well for me in a pinch with a grizzly a few nights ago! Loaded 51 grs of TAC out of my Ruger American stainless compact with 18" barrel. Broke one shoulder, destroyed the vitals and exited near the off-sides' kidney. The same bullet but with a slower speed with varget worked wonderfully for my wife on a caribou last Fall.



This intrigues me. You killed a grizzly with a 130 TTSX from a .308? What size bear, and what were the circumstances? I am curious about how it went down, how fast the bear was stopped, etc? Gotta run what ya brung sometimes, that’s just a little smaller than most folks would be comfortable with, so I am curious how it worked.

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I have two very good loads in my CZ550 with 165 Interlocks and 168 Amax on video
Varget gave me best results with both bullets both groups very tight clovers, I only have those kind of groups with my 22-250 and this 308 I wish my 270 would shoot like that

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Found a good load recently for my 22" barreled Ruger M77 Hawekeye Predator. (These rifles have a mag box around 2.9"). It works well with Leupold's Long Range Duplex and B&C reticles, with the 300/400yd aiming points being "on" with a zero around 215yds.

150gr Nosler Accubond at 2.875" OAL
Lapua case
45.3gr H4895 (I bought a jug when Varget was Unobtanium)
CCI 200
2,875fps at 50 degrees Fahrenheit

The 150 Ballistic Tip shoots much the same, and to the same point of impact at 200/300/400yds, using the same seater setting, although OAL is a touch longer due to nose profile with my batch of bullets. The 150 E-tip made practically the same velocity, which is interesting, but did not shoot well enough for my tastes.

Hodgdon load data used 45.5gr with a W-W case for a 150 NBT, while I am using the thicker Lapua case, but I'm also using a longer OAL than their data. They made 2,870fps from a 24" barrel, so the data is fairly "real world".


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You're working from a good baseline. I've used the Hodgdon load as stated for a number of years, seeing something like 2825-2850 fps from my old 22" LVSF barrel. That load has always been a good shooter and handles deer quite nicely.

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I’m going to try 125 gr. Nosler BT’s and Accubonds in my .308
I have 4895, Reloader 15, Bcl-2. Do any of you guys have success with any of these combos?


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