New Omega owner has a question

[308sako]

So after the LONG wait I finally received my Omega .30 which for many reasons i am enamoured with. Having taken it to the range on several different hosts I am beginning to believe that the "brake" at the muzzle end of the can is detrimental to accuracy, when shot against the same host with a flat end cap. I have theorized that it is the barrel harmonics which have been changed because of the added length and weight on the muzzle, but I feel if that were the case then it would be a fifty fifty proposition as some barrels would like it and some not.

So has anyone else experienced or observed this phenomenon, or should I have used the search function and spent the remainder of my life frustrated?

[Kenneth]

I do not have a flat end cap but my groups actually improved with running my Omega.

Are you running on a bolt gun or semi auto? What caliber? Bullet weight? Speed?

Here is my first group with my Omega with the same exact load I was using unsupressed. 6.5 creedmoor with 140 Eld. I have better groups but no pictures of the targets.




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[gunnerblue]

I have not noticed a change from when I used the brake to using the flat cap as of now. This has been with various AR’s and bolt guns. Going out on a limb here, but I don’t think the additional weight of the brake versus flat cap would be noticeable. The weight of the can itself, perhaps. My 6.5 Creedmoor shot a 9-shot group under 1/2” with the brake attached and I haven’t noticed any drop-off in accuracy since switching to the flat cap. Took it out to 860 yards this afternoon and was still making hits.

[jackblack73]

I recall reading that the flat end cap is actually heavier than the brake, because of the materials they're made of. Maybe I've got that wrong, but they're very close in weight.

[308sako]

I recall reading that the flat end cap is actually heavier than the brake, because of the materials they're made of. Maybe I've got that wrong, but they're very close in weight.

Actually I sourced a titanium one for both .30 and .224, so the weight is actually quite a bit less.

While I have not shot the .308 for groups, I have shot a .223 and a .300 blackout.

It was quite evident in the .300 and to a lesser extent in the .223. Note the one lower right shot was before a sight adjustment. Left with brake and right with flat end cap.

[NongShim]

The problem with guns is that there is inherently voodoo associated with making changes. Shoot enough guns and enough suppressors and you’ll see that some changes work out great and some don’t. Unfortunately, due to cost and NFA, cans are a gamble. If you had three identical uppers and three Omegas, you could play mix and match and see different results with each one combo. It would be the same case with any other can, by the way.

What I ended up doing with my Omega was direct threading it, and timing the can so that the anchor brake had a port facing 12 o’clock. This worked best for me.

[308sako]

Thank you for the timing concept I will try that!

[Kenneth]

Thank you for the timing concept I will try that!

I should say that I am running the ASR brake (well was for those pics) and I made sure that the engraved letters faced 12 o’clock every time. That was consistent enough for me.


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[ggammell]

I think we might be confusing the ASR muzzle brake with the brake on the end of the can....

That’s how I’m reading this thread.

[arptsprt]

I have not experienced any accuracy issues between the brake and flat cap. That said, I have made the decision to just run the flat cap for various reasons at this point. Gun is a PWS MK216 .308.


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