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-   -   Making a New Strut (http://www.firearmstalk.com/forums/f95/making-new-strut-67341/)

51colt 06-30-2012 12:28 AM

Making a New Strut
 
I have had shooting with a strut i made from a small flashlight it worked pretty well for me but now i want to try something new. I have been reading old PU posts. I am going to use tubing 1/2 electrical conduit it is cheap 2.00 for 8 foot and looks kind of like my stainless barrel. I am going to remove paint from my TacStar flashlight mounts and polish them out white and finish them in clear and use new stainless screws. I am going to try a plain tube as well as ones filled with silicone, expanding foam, rubber hose and any thing else i can think of.

I bought two barrel mount single rails on amazon for ten dollars shipped to play with. Last time i was at the range i took off the muzzle break and strut put a piece of rubber hose on the middle of the barrel and clamped the rail on it. It was not as good as my strut but it worked pretty good. Next time out i want to just the rail no hose tight to the gas block to see what it does.

I am hoping to find some thing that works good with out using a muzzle break.
51

tri70 06-30-2012 01:39 PM

I don't know if you might want a release agent on your barrel to be able to remove if needed. I have thought of the same idea but ordering ss tube that would be oversized. I have a UTG rail on my mini 6.8 now that works well.

51colt 06-30-2012 03:07 PM

Here is a pic showing the single rail with a hose mounted. The larger tube is 1/2 electrical conduit and the smaller piece of stock is 1/2 solid aluminum rod. I also found a sks set screw smith muzzle break i was given to me years ago. I am going to make a collar for it to fit my Mini. Tri what would be a good release agent to use?
51

http://i246.photobucket.com/albums/g...IMG_0773-1.jpg

51colt 07-01-2012 12:19 AM

Heres a pic of my new strut i put together today. I maid it out of 1/2 conduit. now i have to go to the range for testing.
51

http://i246.photobucket.com/albums/g...IMG_6656-1.jpg

tri70 07-01-2012 01:11 AM

Nice and simple! Did you use a rubber type glue inside the tube?

TLuker 07-01-2012 01:29 AM

Looks good!!! And I like the idea of trying different materials in it. Each should change the harmonics and possibly be a way to tune it?

Personally, I would love to see a gas block with an adjustment rod extending out so that it also serves as a strut, just like on the M14. I have an adjustable gas block and my strut almost lines up with the adjustment screw in it. It wouldn't be that difficult for some one to just go ahead and connect the two. :rolleyes:

masterPsmith 07-01-2012 03:27 AM

I don't see it secured to the gas block....

Jim..

51colt 07-01-2012 03:32 PM

tri, I hid not fill this one. I have a idea for the end but for now i want to leave it open. I want to see if it cools faster open and if it makes a difference. I am making two more to day i am going to fill these.

TLuker, When i was looking around the old strut threads on PU their was a guy that drilled and taped his gas block for his strut. So it can be done. I will see if i can find the pic for you.

masterPsmith, It is a sung fit on the gas block. I am going to add two set screws today.
51

51colt 07-03-2012 04:54 AM

I took the new strut for a spin today nothing to wright home about my best group @ 50yd was 1 1/2 inches average groups were 2 inches with a scope and no muzzle break. next week i will have three more struts to test.
51

51colt 07-17-2012 02:38 PM

I finished the struts and i am ready for testing. I filled one with hi-temp silicone, one with expanding foam and one with rubber stoppers. I am also going to try a mini mag light and and a clamp on rail with a hose.

http://i246.photobucket.com/albums/g...s/IMG_1779.jpg

I also did some work on my Mini i re-torqued the gas block using my new torque wrench. re-installed my scope with ruger rings (the scope sets much lower now) using this video http://www.firearmstalk.com/forums/f65/scope-setup-video-67924/ and installed a new muzzle break.

http://i246.photobucket.com/albums/g...s/IMG_7445.jpg


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