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Suppressor with a brake on it, does it help or not?

The way to say that would be: Device B has 2.43x the amount of recoil energy vs. Device A.

But bottom line, yes, the RR brake does have a dramatic effect on recoil energy compared to the same suppressor without.

Also note that that particular graph is data from 300WM. Data from 308 is a little different as can be seen from the other infographic that BurtG posted. In the case of the Magnus-S or Ultra-7 sized suppressor, 300WM is "almost" overwhelming the suppressor (you can see the K and 5" cans have zero reduction). This is not so bad on 308 since the gas volume is much less.

Maggie’s THE "NOM NOM NOM" THREAD

If y’all are ever in New Braunfels, just NE of San Antonio, there are dozens of great restaurants to suit almost any palate, but we found another one tonight. I was hankering for fried chicken so we went to the Bird House in Gruene, TX right on the Guadalupe River.

Out.fucking.standing!

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We also had the deviled eggs, as well as the poblano corn fritters as appetizers. 🤤

Great wine selection too…
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Dillon 550 only- Tips, Tricks, Process Q&A thread .

I’m a newbie to 550 and progressive reloading. I’m sure I can figure it out but figured I’ll ask here - loading 223, the case heads and rims are getting black greasy shit on them. I bought the shell plate new and have only performed priming, powder charging, and seating operations on this press. I did buy it used so maybe something from the prior owner who loaded mostly pistol on it?

Suppressor with a brake on it, does it help or not?

That's not now "reduction" works.

If a bare muzzle has an amount of recoil energy that is normalized to 100 units, then:

Device A has a 65% reduction, so it has 35 units of recoil energy.

Device B has a 15% reduction, so it has 85 units of recoil energy.

I think you are trying to calculate how much better device A is than B. Do do this, you would divide 35 by 85 to say that device A has 41% the recoil energy of B, or put in other terms: A has 59% less recoil energy than B.
Alright sir, I'm not an engineer, so please bare with me while I attempt to understand this.

If we use your method to explain this, and we say that with no muzzle device, we have 100 units of recoil.

With a suppressor sans brake, we have a reduction of 65 units, or 35 units remaining (which is very impressive to my mind by the way).

Then, if we remove the brake, shooting suppressor only, we now have 15 units of reduction, or 85 units of recoil remaining.

That's a 242% improvement in recoil reduction vs the suppressor alone. Is that correct? I'm ready to be wrong, no shame there. I've just never heard of any of these causing any measurable effect in the tests I've seen, although they weren't tbac cans I saw tested.

Ace barrels vs the rest bartlein brux ect...

Manzella Precision cut me a 22" ace 7.75tw 6.5mm lt palma in 65saum, 0.200fb for my bat vesper hunting setup. This is 3 different charges of N565 with a 156 berger jumping 32k at 400y. Yes they're 3 shot groups, as I'm just testing for accuracy, there is a 70fps spread between them, and about 1" of vertical. Middle group is 58.8gr going 2885avg, es of 7fps. All 3 groups at or under 1/4 moa. Obviously I'll load up several at 58.8gr and test them for a larger sample size. Rifle with bipod, supressor and scope is just under 11#.

Now just waiting for the 22in 8.5tw 7saum barrel to get back from him!

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Did Mike order the barrels with 7.75 twist or did you? What kind of lead time are the one off twists from ACE?