Stock and muzzle rise

mrdon

mrdon

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VZ-58 I understand there is a direct relation between stock shape, alignment and height that affects muzzle rise and control.Being a range shooter I like comfortable.I went with the sporter stock for the extra length of pull. I am 6' tall with long arms and long neck and had to scrunch over to to sight and the bottom of the stock would wind up at the top of my shoulder. My solution was to add the wood extension making it longer and stock lower. It fits better but the muzzle rise is really bad and I know there is a better solution but what? I'm thinking the Zahal folder or Ace long version in addition to raising the Aimpoint. "Lose cowitness". I need a solution without buying multible stocks to try out. I'm also open to the fact that I'm wrong in thinking it should be as comfortable as a hunting rifle. Looking for good advice.Right now I have analasis paralisis.:confused: Here is my setup. Thanks
 
I have the same problem with the length of the stock. and the size of the hand grip. you can buy new parts from Fabsports or another dealer to compensate for that or build your own. Check out the various "tacticool vz-58 cz-858" forums on this site for ideas. Muzzle brakes are also available from a bunch of dealers (Dlask for example) that will help with repeating shot muzzle rise.
 
You are very correct that body mechanics and to some extent the ergonomics of the rifle have a big role to play in muzzle flip. Not many people recognize that fact and it's smart of you acknowledge it. However, changing the ergonomics of the rifle is hard to do as you are dealing with some absolutes when it comes to the placement of the grip and area's that the rifle will pivot or move around during recoil. I don't feel that changing the stock will help much.

You may be able to go to a straight stock design by using an M4 adapter or the Ace stock and it may help a little, but it probably wont give you the results you are looking for. Other things you can do like gripping the rifle higher up on the bore with your support hand can also help muzzle flip. Squaring your stance, with your hips and shoulders facing the target may also help somewhat.

Your best, least expensive solution, is the very good quantity and quality of muzzle brakes and compensators out there for the 58/858. Check out manufacturers/retailers like DLASK, NEIT, and NEA. They all make good quality muzzle brakes and comps that will help you out the most. Very easy installation and will get you where you want to go a lot cheaper and easier than trying to change some things that will give you only marginal successes. Muzzle devices will give you immediate noticeable solution. Do an search on muzzle brakes in this forum and you'll find a wealth of info.
mrdon said:
It has the standard military stye brake.
Click to expand...

I've never tried this one but the design of it is not as efficient as others you will find.
 
The Jan. 3rd post "Tactical response video" shows the standard military brake on my 58.. The recoil with the Zahal stock the shooter is using is a more rearward motion and not a sharp muzzle flip. I've studied other videos and discussions and the stock configuration seems to be a big factor. Not to say some brakes aren't better designs than others. Recoil isnt an issue, but rapid fire accuracy is the goal.
 
mrdon said:
The Jan. 3rd post "Tactical response video" shows the standard military brake on my 58.. The recoil with the Zahal stock the shooter is using is a more rearward motion and not a sharp muzzle flip. I've studied other videos and discussions and the stock configuration seems to be a big factor. Not to say some brakes aren't better designs than others. Recoil isnt an issue, but rapid fire accuracy is the goal.
Click to expand...

Ok, go with the M4 style stock then. But, muzzle brakes make a big difference when it comes to muzzle movement. That's why you see them on many rifles used in competition. Here's some crappy testing I did on a comp and a brake. Just click on the photos and you'll get the video. You'll notice that muzzle flip was much more pronounced in the first video with no muzzle device. Flip was much less with the DLASK A6 Brake in the last video. Muzzle flip was more pronounced in all the videos as I only held the rifle by the pistol grip during testing. Recoil pushed the rifle against my hand rotating it upwards at that point. The more recoil, the more muzzle flip. Less recoil, less muzzle flip, as in the last video.



 
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Thanks for all the good suggestions. The first thing I will try is a different stock something more straight back from the receiver.As in the Ace skeletal and Stormwerks adapter with Ht. adjustment or the Zahal folder with cheek riser. Muzzle brake swap would be a last resort due to the fact my VZ58 muzzle is pinned and welded for US barrel length compliance.Another project to keep me out of trouble "for now". Clob that link to your muzzle brake test was a good example why folks rely on this forum for advice.Good job.
 
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