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338 EDGE at 3042fps !!!!!!!

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Old 12-24-2011, 11:11 AM
Gold Member
Join Date: Jul 2006
Location: AB, Canada
Posts: 555
Re: 338 EDGE at 3042fps !!!!!!!

Yes, that is my worry too. So i will repeat the test with 20 rounds next week and i will look for pressure signs.

The thing is my rock creek barell is 30in in 1-9.4 twist, COAL is 3.874 and even with old batch of 96gr H1000 i was close to max load.

It is strange so i will keep my head up for any signs of overpressure and repeat the tests.
Thank you for let me know about your findings.
My 338Edge
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Old 12-24-2011, 11:58 AM
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Join Date: Jun 2004
Location: Fort Shaw, Montana
Posts: 6,796
Re: 338 EDGE at 3042fps !!!!!!!

You have a long barrel and a relatively long throat. Rock barrels tend to run on the faster then average side as well. I have built ALOT of Edge rifles and while on average I would say a 30" barrel length will get you into that 2850-2900 fps range more often then not. That said, I have had a few rifles that would break 3000 fps with seemingly comfortable pressures.

Personally, I do not like to see +3000 fps from this chambering. Would feel better dropping things down to around 2950 fps. Even better brass life and extra margin of error on safety.

The comment about Edges generally not shooting well at near 3000 fps seems a bit odd to me. From what I have seen, at least with full custom built rifles, accuracy generally improves as pressure builds with accuracy getting even better as pressures go far over where you should be. This is why its common or guys to get into trouble. While the rifles shoot very well at comfortable levels, they want the extra FPS and then see very impressive accuracy and want the best of both worlds. That is not the best thing to do. At long range the accuracy difference, as long as velocity spreads are tight, will be nearly impossible to see.

Just to be on the safe side I would step back 75 fps at least.

I know that H-1000 has been the STANDARD for the Edge all along but I find it amazing why more guys do not use Retumbo. I have found this powder to be better then H-1000 in nearly every way or at least matching H-1000. Seems to be more consistant in burn rate now days, slightly higher load densities, less ability to over pressure your loads and produces a bit more velocity.

Some have said they can not get the velocity consistancy they can with H-1000 but in my experience, there is not much to this. Now if you want to brag about 8 fps spreads, then you may have something but if you can live with 10 to 20 fps spreads you will NEVER see a difference down range. In spite of what some would want many of us to believe, a mid teen velocity spread will shoot just as tightly as an 8 fps spread at long range. Variations in shooting conditions and simply the shooters ability to be consistant will make MUCH more difference then then the velocity spreads.

Have always felt H-1000 was just a bit fast in burn rate with the Edge, especially a long throated Edge where Retumbo really comes into its own with higher load densities.
Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

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Old 12-24-2011, 12:38 PM
TMR TMR is offline
Join Date: Mar 2006
Location: Elma, WA
Posts: 497
Re: 338 EDGE at 3042fps !!!!!!!

Its possible that you have a fast barrel. We run 2920 with 93 gr H1000 in our 31" barrels with the SMK, and 2965 with the Berger using the same load. Most of my guys with 30" barrel builds are right at 2900 with the same load. No pressure at all and getting 7-9 loadings on a case. Accuracy is well under the 1/2 moa mark at the higher speeds. I have run mine up close to 3000 with 95gr h1000, but dropped it back just to be safe. We run Broughton's which are on par with the Rock barrels as being a little faster. I saw you had a longer OAL listed, if you are closer to the lands your speed will increase also.
Travis Redell
R Bros Rifles
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Old 01-09-2012, 12:04 AM
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Join Date: Jul 2006
Location: AB, Canada
Posts: 555
Re: 338 EDGE at 3042fps !!!!!!!

Hi Everybody,

Finaly I got a day off from work and I was able to go out shooting again my Edge to verify my last load at 3042fps.

I load 93.26gr (3 rounds)
Group - 0.80in at 200yrds

Goup was good

Then I load 93.5 H1000 the same as last time and got 3 bullets on 0.75in @200yrds
Group - 0.75in at 200yrds

Group was good, speed at 3042fps as last time.
Primer almost flatened ( not yet at the max load)

I will start shooting this load for a while to see how manny reloading I can get from a case, and also watching for pressure sings..
Next week I will try 93.5 gr H1000 @3042fps with 300SMK at 1000yrds and 1600yrds to see how will perform at extreme distances.
My 338Edge
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