Request for load data 175gr .308 (imr 4064)

[Duds0311]

it wont work for my 700, however i do have an ar that ive built up to mimic a dmr... that will work, i also have an ar with iron sights and a red dot, ill take the red dot off and shoot that too!

[highpower790]

it wont work for my 700, however i do have an ar that ive built up to mimic a dmr... that will work, i also have an ar with iron sights and a red dot, ill take the red dot off and shoot that too!

You are good to go!We shoot every 4th Sat at chabot and Richmond shoots every 1st Sat&Sun and 3rd Sat.Matches are a minimum of 58 rds,bring extra in case of alibi.Cost is $20 and coffee and donuts are available at no charge.Sign in 0800-0830,shoot at 0900

[45R]

I am running a Remington 700SPS Tactical and a friend of mine is running a Remington 5R.

I used the information for the thread below to come up with a good starting point.

http://forum.snipershide.com/snipers-hide-reloading/213496-sleuthing-federal-gold-medal-match-load-mk-316-mod-0-a-2.html

These were the results using IMR 4064, once fired FGMM with 175SMK and 210M primers. COAL was 2.800

[Duds0311]

That's some nice shooting... Thanks again everyone


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[jtake]

Ladder tests really need distance to see the differences in the loads, and 100Y will not give you sufficient meaningful separation between the loads.

You might want to OCW testing (Optimal Charge Weight) where you look not at group size, but group location, to identify accuracy nodes. These nodes are powder ranges where minor differences in charge weight will still impact in the same spot.

Here is a link to Dan Newberry's site and instructions for performing a OCW test.

http://optimalchargeweight.embarqspace.com/#/ocw-instructions/4529817134

[Duds0311]

That's what I normally do, I just didn't want to use that many rounds. But at 100 yards that's what I'm going to have to do


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[jtake]

Well, as posted above, Snipershide has a great thread on sleuthing the FGMM load for 175 smk and so you can start your development around that load. That should reduce the number of exploratory rounds you need to fill.

http://forum.snipershide.com/snipers-hide-reloading/213496-sleuthing-federal-gold-medal-match-load-mk-316-mod-0-a.html

My rifle likes 41.4 IMR 4064, 175 SMK, CCI 200, LC 13. Currently seating them around 0.02 off of the lands, and I seat off of the ogive rather than COAL.

[BallisticLogistics]

Well, as posted above, Snipershide has a great thread on sleuthing the FGMM load for 175 smk and so you can start your development around that load. That should reduce the number of exploratory rounds you need to fill.

http://forum.snipershide.com/snipers-hide-reloading/213496-sleuthing-federal-gold-medal-match-load-mk-316-mod-0-a.html

My rifle likes 41.4 IMR 4064, 175 SMK, CCI 200, LC 13. Currently seating them around 0.02 off of the lands, and I seat off of the ogive rather than COAL.

What are your thoughts on the difference between #200 and #34 with using 4064? I usually go with #34 and I am new to this but I thought that would be a decent start with that setup.

[jtake]

I am limited to a 100y range, so I doubt I would see any significant differences between different primers. There are some comparisons out there between different primers using different powders etc. that show differences between primers, but I am not sure if I am that consistent to really get accurate taget readings: http://www.accuratereloading.com/primer.html

I have some Federal 210 coming and hope to compare those with the CCI 200s, but I probably won't be able to hit the range for another month. I have a magnetospeed and will chart MV for the two primers using 4064.

What are your thoughts on the difference between #200 and #34 with using 4064? I usually go with #34 and I am new to this but I thought that would be a decent start with that setup.

[Dirk Tungsten]

I don't remember where I found this, but it's says it's for 175g 308, so maybe the data will help you, OP:

[Duds0311]

jtake im going to hit the range tomorrow and do the ocw test, not the ladder.


you guys are like my own shooting encyclopedia.

[45R]

I don't remember where I found this, but it's says it's for 175g 308, so maybe the data will help you, OP:

That is a pretty good load.

[peacedivision]

My pet load, federal brass, CCI primer, 175smk, 42.7gr 4064 @ 2.805 COAL. Under book max but start low and work up

[JMP]

44.0--175gr SMK/Scenar
44.4--168gr/167gr SMK/Scenar
0.002" neck tension
2.800" COAL

[peacedivision]

JMP what brass are you using? I've noticed some definite sticky bolt lift at 42.7gr on a hot day but no pressure signs beyond that. All my brass is full length sized -0.002 back from fire formed, partial neck sized .002 tension. Still need to chrono my load and see what I'm getting from a 20" barrel. Gonna go run some Nosler brass today 39-43 gr