Roughneck12
Regular
- Location
- Blackfalds AB
I just put some teflon tape on the threads and no slop. I saw that on here somewhere and it works.
CZ858 muzzle brake
- Thread starter svt1940
- Start date
This is what I was refering too;
As for the washer, nope dosn't work unless you remove the locking pin assembely. Also the fileing it down will make it tight for a little while but eventualy it wiggles free again. Trust me I have tried both way's and this so far is the only fesable answer.PTFE THREAD TAPE - Sep, 07 2009
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TENSILE STRENGTH: 8N/mm2
PERCENTAGE ELONGATION:≥25%
IDENTITY:
INSULATION, CORROSION RESISTANCE ANTI-ANGING
- Location
- on the road again
did nothing for recoil? as in it did not reduce recoil at all? realy ? i have tested more than 20 muzzle devices for the vz rifles including all the ones in your pictures and i have to say the A6 is the most performant in reducing recoil. It is so good that nothing compares to it.
When used on ar15 (the gun it was riginaly designed for) or any other firearm in 223, the gun does not even flinch.
it was put even on 308 guns like m14 and it reduces the recoil more than any smith ent muzzlebreaks or any other muzzlebreak i have tried.
On vz rifles , the czech military muzzle device is a hybrid between muzzlebreak , flash hider and compensator but it fails to perform satisfactory in any of these roles.
Wow over 20 different muzzle brake. Did not even now that there were that many out there for this rifle. As for the recoil on my CZ 858 I did not notice any difference with or without this break except for the noise factor. So I will have to agree to dis-agree with you. Since you've tested over 20 different model's maybe you could post some pic's and explain your like's and dis-like's, so that other people on here can make there own informed decision about what they should spend there hard earned money on.
did nothing for recoil? as in it did not reduce recoil at all? realy ? i have tested more than 20 muzzle devices for the vz rifles including all the ones in your pictures and i have to say the A6 is the most performant in reducing recoil. It is so good that nothing compares to it.
When used on ar15 (the gun it was riginaly designed for) or any other firearm in 223, the gun does not even flinch.
it was put even on 308 guns like m14 and it reduces the recoil more than any smith ent muzzlebreaks or any other muzzlebreak i have tried.
On vz rifles , the czech military muzzle device is a hybrid between muzzlebreak , flash hider and compensator but it fails to perform satisfactory in any of these roles.
- Location
- Vernon, BC
did nothing for recoil? as in it did not reduce recoil at all? realy ? i have tested more than 20 muzzle devices for the vz rifles including all the ones in your pictures and i have to say the A6 is the most performant in reducing recoil. It is so good that nothing compares to it.
When used on ar15 (the gun it was riginaly designed for) or any other firearm in 223, the gun does not even flinch.
it was put even on 308 guns like m14 and it reduces the recoil more than any smith ent muzzlebreaks or any other muzzlebreak i have tried.
On vz rifles , the czech military muzzle device is a hybrid between muzzlebreak , flash hider and compensator but it fails to perform satisfactory in any of these roles.
Interesting statment. I would very much like to hear more about your results and see some of the designs you used. 20+ is a substantial number.
Further I would very much like to know what methodology and testing protocols you used to come to this conclusion. Was it subjective (like Satain's), in that you used perceived “feel” of effectiveness, or did you actually use some method that gave imperical, measurable, repeatable results.
You are making bold public statements, and while at this point I am not disputing your claims, I would very much like to know how you came to your conclusions
respectfully yours
AbH.
And again
The only way to test is with a measuring tape for barrel rise and roller skate rig for recoil - been there done that and the dlask won with the military cz (not the tommy gun type) coming in a close second -
The only way to test is with a measuring tape for barrel rise and roller skate rig for recoil - been there done that and the dlask won with the military cz (not the tommy gun type) coming in a close second -
- Location
- Vernon, BC
To clarify, Dlask makes several breaks, but I will hazzard a guess that you are talking about the A6 type or the one that looks like this:
WRT to the military one, Im not quite sure the one you mean (not the Tommy Gun one):
If not could you clarify
Appreciate your time and imput.
regards
AbH
Does that methodology test the effect of the brake on climb, though?
I mean in theory, what if you build a brake that directed 99% of the blast downward, and it caused the barrel to jump a foot straight up, but didn't roll backwards at all on the skate?
You'd think that was the ultimate brake but it would be terrible in practice.
Or do we distinguish sufficiently between brakes and comps that we aren't worried about this distinction?
I mean in theory, what if you build a brake that directed 99% of the blast downward, and it caused the barrel to jump a foot straight up, but didn't roll backwards at all on the skate?
You'd think that was the ultimate brake but it would be terrible in practice.
Or do we distinguish sufficiently between brakes and comps that we aren't worried about this distinction?
As chopper 1 said the difference between the two muzzle brakes shown by AbHobbyist is almost the same. But the major difference to me was the BANG! witch most likely caused me to flinch and throw of my group's. So since there was no real noticeable difference besides the noise I stuck with the military issue one.
As for the tommy gun look alike muzzle brake it has two slant cut marks on the top of the brake for bleed off. That's if I am not mistaken.
As for the tommy gun look alike muzzle brake it has two slant cut marks on the top of the brake for bleed off. That's if I am not mistaken.
- Location
- on the road again
Gentlemen, I am sorry if my posts caused confusion.
the muzzle devices I have referred to are basically all used on guns with 7.62 bore , and some experimental ones produce by Steyer , HK, FN, Beretta, Rougier and others. The thread had to be replaced with the correct thread to fit the rifle it was put on . From the MB usually found on the market , we did not tested the JP tank- style break and few others. The rifles used in tests were : a whole bunch from the ak family, G3 and 8 other HK rifles, AR10 with different barrel lengths, some rifles designed by FN, few rifles designed by Stoner, M14, M1 Garand, M1 Carbine, SKS, G43, and some experimental designs.
The test measured the total distance traveled by the gun on the rear direction after 1 shot and repeated 5 times in a row. The gun was mounted on a railed slide and fired with an pneumatic cylinder. Distance traveled was considered to be proportional with the recoil.
In reality, there were a lot more than 20 muzzle devices. about 90 or so in total were tested on the vz 58 with military length barrel, but only about 20 of them are easyly found in Brownells catalog or on the ak forums and other places. That is why I said 20.
I do not have pictures and even if I had, I have to comply with the confidentiality agreements I have signed with the university I am attending.
After more than 1 year from all those tests I had the idea to test 2 muzzlebrakes that have not been tested, simply because there are not common in the military. One of them was the A6 brake. The guy who designed it and perfected it for Dlask Arms is a good friend of mine and few of you know him from his less conventional posts on this site.
After I got approval from the Small Arms Lab Dept. at the university, I had to convince my friend here in Vancouver to make a few of them with different threads so they can be assembled on different guns.
During and after the tests , we were very surprised to see how the A6 Dlask brake not only reduced recoil more than any other brake with similar outside dimensions, but it performed great on very different barrel lengths of the guns it was tested on. The downside of the A6 brake is that it has one of the biggest noise level directed rearward and sideways.
Other results I can say here because they are not confidential or anything as they are partially explained by gasodynamics :
The VZ military muzzlebrake , the Smith Ent. MB, produce higher temperatures of the barrel and gas system than any other Mbs in rapid fire or FA fire. So do gas boosters when used on barrels longer than they were designed for, flash hiders of the drum type and silencers.
On precision guns any muzzle devices of the longer cage type with longitudinal or helix cuts tend to shift the point of impact when their temperature is high ( apparently this is true regardless of the barrel temperature).
On guns with long barrels, the anti- raise compensators do more harm than good to the firearm.
All the best,
Alex S.
yep
Yep, thats the dlask design - the others are copies of the PWS, the AK , Flamin Swine etc.
And the second one is the military (later version I believe, I think the Cutts compensater style was earlier).
To clarify, Dlask makes several breaks, but I will hazzard a guess that you are talking about the A6 type or the one that looks like this:
WRT to the military one, Im not quite sure the one you mean (not the Tommy Gun one):
If not could you clarify
Appreciate your time and imput.
regards
AbH
Yep, thats the dlask design - the others are copies of the PWS, the AK , Flamin Swine etc.
And the second one is the military (later version I believe, I think the Cutts compensater style was earlier).
- Location
- Vernon, BC
Alex S.:
Well Sir My hats off to you.
I very much appreciate the detailed and well thought out response, with a wealth of food for thought.
Thank your post.
Well gents, there you have it!! A valuable guide for barrel attachment devices!!.
Post should really be stickied!!
Chopper_1:
Thank you for taking the time to clarify.
regards
AbH
Well Sir My hats off to you.
I very much appreciate the detailed and well thought out response, with a wealth of food for thought.
Thank your post.
Well gents, there you have it!! A valuable guide for barrel attachment devices!!.
Post should really be stickied!!
Chopper_1:
Thank you for taking the time to clarify.
regards
AbH
