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Hornady 150gr fmj load

This is a discussion on Hornady 150gr fmj load within the Ammunition forums, part of the M14 M1A Forum category; Looking for some pet loads to start with. 18.5inch fulton armory barrel. 150gr fmj IMR4895 CCI200 Win brass Appreciate any inputs....


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Old June 11th, 2009, 09:16 AM   #1
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Hornady 150gr fmj load

Looking for some pet loads to start with.
18.5inch fulton armory barrel.
150gr fmj
IMR4895
CCI200
Win brass

Appreciate any inputs.

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Old June 11th, 2009, 10:07 AM   #2
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Somewhere between 42.5 grains and 43.5 grains should be about right. Try 43.0 grains and consider 43.5 grains to be about max.

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Old June 11th, 2009, 10:16 AM   #3
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Have not tried IMR 4895, but H4895 appears to be mild w/R-P brass, WLR and allowed me to hit the 400 meter ringer offhand at Desert Sportsman range in las Vegas w/my FedOrd M14. 8 of 11 shots.

Don

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Old June 11th, 2009, 10:18 AM   #4
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Start at 41.5 gr and go up to 43.5 gr IMR-4895. You want to be in the 2800 FPS range for M80 ball. I know that is a 147gr projectile, but it is close to 150 gr FMJ. The reduced barrel length may make this closer to 2725 or 2750 FPS.

Start low...look for accuracy and stop before pressure signs show up. I look at the primer to see over-pressure warning signs, like flattening of the primer or it backing out of the pocket. You will find an accurate load before this. Here is a link to the Sierra manual on 308 Win. My pet load was around 42.0 gr IMR-4895, but I was using LC brass which is heavier than your Win brass. So, you might be a bit higher on the powder load. You will have to develop a load, but this will get you started. Good luck.

http://www.6mmbr.citymaker.com/f/Sierra308Win.pdf

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Old June 11th, 2009, 01:32 PM   #5
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Hornady 150's

whatch you oal.If you look at the points of the bullets you will notice they will vary more than you would expect from a repitable company.If you set your seating die to 2.80 oal , you will end up with oal's anywhere from 2.770 to 2.830.

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Old June 12th, 2009, 09:52 AM   #6
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Thanks! book says start from 43gr.. think I will try 41.5gr first.

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Old August 13th, 2016, 11:59 AM   #7
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help!

I tried one of the recommended 42.5 gr imr 4895 loads and it was awful. encountered constant failure-to-anythings. someone recommended 44.0gr of imr 4895. too much?

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Old August 13th, 2016, 12:56 PM   #8
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Quote:
Originally Posted by opelrsx View Post
Looking for some pet loads to start with.
18.5inch fulton armory barrel.
150gr fmj
IMR4895
CCI200
Win brass

Appreciate any inputs.
Here is mine.

SAI Scout
150 gr FMJ-BT
42.0 gr IMR4895
CCI200
LC brass
2.70" C.O.L.

Load is reduced from 43.0 in commercial brass to 42.0 due to use of military brass.
2.70" C.O.L. puts the mouth at the cannelure mid point.

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Old August 13th, 2016, 02:29 PM   #9
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Quote:
Originally Posted by mikeym53 View Post
I tried one of the recommended 42.5 gr imr 4895 loads and it was awful. encountered constant failure-to-anythings. someone recommended 44.0gr of imr 4895. too much?
Failure to what? If poor accuracy try a different bullet, preferably a match bullet. Cycling issues then I'd suggest you check your case sizing. I've loaded and fired over 1000 rounds with 39.5 grains of IMR 4895 with a 150 grain FMJ bullet for 100 yard plinking and not had a single issue. They go bang as fast as I can pull the trigger.

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Old August 13th, 2016, 02:42 PM   #10
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fired many 4064's and 748's, no prob. could be soft cases. will load different cases. would not eject (didn't seem to have enough oompf) was my main complaint. the load grouped better in my rifle than 748 and 4064, but failure put me off.

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Old February 28th, 2017, 07:02 AM   #11
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Quote:
Originally Posted by hammonje View Post
Start at 41.5 gr and go up to 43.5 gr IMR-4895. You want to be in the 2800 FPS range for M80 ball. I know that is a 147gr projectile, but it is close to 150 gr FMJ. The reduced barrel length may make this closer to 2725 or 2750 FPS.
Not to hijack another thread, but my question is fairly similar...

Trying to work up an all-purpose M80 duplicate load for my Socom... problem is, all my velocities are too low vs any sort of factory load.

Any M80-equivalent (Prvi, RG, Belgian, CBC etc) gives me 2550-2600fps as measured about 10' from the muzzle with my Chrony. Fine and dandy.

Using LC brass, #34 primers, and any basic 145-150grn FMJ bullet, crimp/no crimp... I'm at 43.5grn IMR4895 and I can barely break 2400fps. I understand that's the generic published limit for a gas gun, and I'm loathe to exceed that, but what am I missing here? I worked up to 43.5grn from 41grns, and the velocities scaled fairly linearly, and my last few measurements were taken at 3 different shooting sessions, so I don't believe it's a fluke.

Am I at the limits of the powder (IMR4895) and do I need to go to IMR3031? I know Rammac did some extensive work with IMR3031 and his Socom, but he noted some pressure problems working right at the top of the charges (if memory serves.)

I also tried the crimp/no crimp versions... thinking maybe ignition was an issue, even with the #34 primer. No difference. Ejection is consistently at 2-3 O'clock, no FTF or FTE.

Accuracy is reasonable, call it a dead heat factory vs handloads.

In the end, am I missing that -200fps? Probably not, not at the ranges I'm shooting it at. But I have to wonder if I'm missing something else... as I've started to build a load with the 168grn BTHP, I'm not really seeing that drastic of a velocity loss... vs factory. For example, I'm only at 41.5grn IMR4895 with the 168 NCC and I clocked it at 2350fps.... almost at 2400fps with less powder and more bullet, which is why I'm wondering about burn efficiency with my M80 load.

Thanks from JEFFJP_N_JJ
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Old February 28th, 2017, 08:20 AM   #12
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What barrel length? Even if it is an 18.5 barrel, that is slow. What chrono? Has it been calibrated and the distance3 between sensors checked. An 1/8 inch father apart would induce over 100 fps slower reading.

Thanks from JEFFJP_N_JJ
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Old February 28th, 2017, 08:38 AM   #13
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Quote:
Originally Posted by BLACKTAIL 8541 View Post
What barrel length? Even if it is an 18.5 barrel, that is slow. What chrono? Has it been calibrated and the distance3 between sensors checked. An 1/8 inch father apart would induce over 100 fps slower reading.
My Socom... so 16" barrel.

I have had issues with my Chrony before, that's why I didn't say anything until I've had 3 sessions of the same results. The Chrony comes in a pre-set, flip-out metal 'box', you just unfold it, mount it, and that's it. The other thing is the check rounds... I always fire a known factory round first and last, just to prove the darned thing is working.

It's just bizarre...

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Old February 28th, 2017, 09:09 AM   #14
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http://bearblain.com/Service%20Rifle%20Loadings.html

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Old February 28th, 2017, 12:53 PM   #15
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Charlie don't get discouraged with the velocity, look for accuracy. M1a's will not have as much velocity as that same load in a bolt action. Or a rifle with a longer barrel.

Good luck

Jerry

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