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An old IMR 4895 diehard changes gears........

This is a discussion on An old IMR 4895 diehard changes gears........ within the Ammunition forums, part of the M14 M1A Forum category; After years of using IMR 4895 powder in all my M14s and M1 Garands I did some researching on this forum and went out to ...


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Old March 12th, 2017, 01:43 PM   #1
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Talking An old IMR 4895 diehard changes gears........

After years of using IMR 4895 powder in all my M14s and M1 Garands I did some researching on this forum and went out to "experiment" with IMR 4064 which I have quite a bit. I needed a change as it seemed I was not getting the results I require out of my "newer" rifles.

I tried 6 different loads starting at 39 grains thru 43.3 as advised thru different posts.
During my experiments I then discovered that 40.5 grains of 4064 in an LC case, CCI primer pushing a SMK 168 HPBT gave me very good results. I have a standard SA with a 1961 SA chromelined barrel and all other parts are SA USGI.
I do not have a chrony but the load did not to have any adverse effects as far as excessive recoil, FTF or FTEs and the brass piled at between 1 and 2 O'clock

The following are targets with 10 rounds shot at 100 yards off a bag using iron sights.

On both I had two breathing mistakes and two finger placement mistakes and one pre-recoil jerk at 7 o'clock which is very uncommon with me.

Overall I am very satisfied with the results as I have not setup a real practice schedule in many years and have only shot my rifle a few times in the last 4 months or so and that was only for load development. I know from experience that these groups WILL improve greatly with trigger time as the weak link is ME from lazyness of known rifle discipline and not keeping a regular schedule.
I plan on shooting the remainder of matches at our club this year with a high degree of success.

The club range is a backstop of bunker concrete filled with sand used during WWII at the Montbrook Army Air Field to dial in nose and wing guns on B-25s. The tie downs are still in the concrete at different distances, lots of history here.



THIS IS AN NRA 100 YARD TARGET


THIS IS AN NRA 600 YARD REDUCED TARGET

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Old March 12th, 2017, 02:11 PM   #2
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Looks promising! 4064 is great stuff and a classic for .308 Win. You should try not down sizing your pix so much, they should enlarge when clicked on.

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Old March 12th, 2017, 02:15 PM   #3
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Neat history on your range.

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Old March 12th, 2017, 03:03 PM   #4
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I use 4064 for my 308 reloading. For 175g exclusively. I will never look back.

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Old March 12th, 2017, 04:54 PM   #5
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Talking I'm no Joe Rosenthal........................

Quote:
Originally Posted by WaM14gunner View Post
Looks promising! 4064 is great stuff and a classic for .308 Win. You should try not down sizing your pix so much, they should enlarge when clicked on.
Those pix were taken using my ghetto Tracphone. Next time I'm gonna steal my wifes digital camera and do it right.


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Old March 12th, 2017, 05:01 PM   #6
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Did you have any cycling problems on the lower end of the powder spectrum?

I have bolt gun with a sweet spot of 40.5gr IMR4895 behind a 168gr FMJBT in a LC case. However, that same round won't cycle in my M14 clone. Burn rates between 4064 and 4895 aren't drastically different, so hence my question. Thanks.

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Old March 12th, 2017, 05:22 PM   #7
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Quote:
Originally Posted by Duce View Post
Did you have any cycling problems on the lower end of the powder spectrum?

I have bolt gun with a sweet spot of 40.5gr IMR4895 behind a 168gr FMJBT in a LC case. However, that same round won't cycle in my M14 clone. Burn rates between 4064 and 4895 aren't drastically different, so hence my question. Thanks.
I didn't have any cycle issues with any of the 4064 loads, I had read 43.3 of 4064 would trash the op rod, that maybe true but with 6 rounds it was OK in my stick. I tried some 4895 loads a couple of weeks ago and loaded 39.0, 39.5 and 40.0 grains with the 168 HPBT, no issues.

I also tried 4 different gas pistons over the last couple of months and I was amazed how much that makes a difference in accuracy.
ALL GAS PISTONS ARE NOT CREATED EQUAL ! My go to piston is a USGI even over a like new Sadlak TiN coated. My other M14s used only Sadlaks with good success. Go figure..........

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Old March 12th, 2017, 06:50 PM   #8
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40.5gr IMR 4895 works great for me. I was a long time 4064 fan, just switched to 4895 since I came across 2 jugs recently.

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Old March 12th, 2017, 07:39 PM   #9
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The burn rate of 4895, and 4064 is pretty close. Is that the Williston Range?

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Old March 12th, 2017, 08:40 PM   #10
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Some here say that 4064 is not good for the rifle.
I wonder if the same people who advise against 4064 use Varget or RL15.
Both Varget and RL15 are slower powders, 8 times out of ten, depending what iffy burn chart you look to for burn rates.

Paying attn. to Velocity is the key.
4064 can spike very very quickly. My rifles like 41-41.5 grains of tha stuff.

Please don't forget my beloved IMR 3031. 39.3 grains is lovely.


Last edited by Thedutchman; March 13th, 2017 at 08:33 AM.
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Old March 13th, 2017, 05:02 AM   #11
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I use 42-43 grains of 4064 in a LC case trimmed to 2.00 with a Federal 210M match primer seated to a COAL of 2.60 with a SMK or NCC 175g HPBT. I use these rounds exclusively in my SAI National Match EBR that has an adjustable gas plug.

The 1000yard performance is very nice with this load. I wouldn't recommend using this load without an adjustable gas plug.

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Old March 13th, 2017, 07:30 AM   #12
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I've gone from IMR4895 to IMR4064 for my Savage bolt gun and the 168grn SMK, it works better in the longer barrel.

With my Socom16, the jury is still out if IMR4064 is any improvement over IMR4895 and the 168's. At the ranges I shoot the Socom, it's unlikely I would see much difference, if any.

Quote:
I am just wondering if the same people who advise against 4064 use Varget or RL15.
Yea... I always laugh at that.

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Old March 13th, 2017, 08:30 AM   #13
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I am always experimenting with different powders and loads. Just looking at the range boxes on the ammo shelf in my office at stuff I have loaded in the last couple of months.
3031,4064,4995,BLC-2,Varget and Re15. I haven't destroyed any rifles in the last 50 years, but this Spring may be a first.



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Old March 13th, 2017, 09:06 AM   #14
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40.5 of 4064 with 125 gr TNT,s are the bomb.... in my rifles WOW.... by the looks of all those boxes, I need to get to reloading and knock all the dust off my reloading equipment, since my 2 shoulder surgery's this year past I,v been really slacking....time to buck up.. I,v have 1 never shot PTR to try out an a new med hvy profile barrel to have installed on my Polygirl and a new to me wood adj M21 stock to installed...get up and go..


Last edited by Roundrockcrawler; March 13th, 2017 at 09:14 AM. Reason: info
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Old March 13th, 2017, 10:47 AM   #15
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Question

Quote:
Originally Posted by Herr Trigger View Post
The burn rate of 4895, and 4064 is pretty close. Is that the Williston Range?
Yes it is, you ever shoot there?


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