Gunsmithing Self built chassis is done!

2

257speed

Sergeant
Full Member
Minuteman
Dec 2, 2007
285
0
Alb, New Mexico
#1
Some of you saw my original post on this
http://www.snipershide.com/forum/ubbthre...075#Post1548075

I finally got everything back from being hard anodized. Laid up the carbon fiber for my cheekpiece and duracoated everything flat dark earth. Here are the pic's. The stock wound up weighing 4.4lbs complete. All work was done on manual machines, don't have access to CNC
rifle002.jpg

rifle004.jpg

rifle003.jpg

rifle005.jpg

rifle007.jpg

rifle006.jpg
 
#11
Re: Self built chassis is done!

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: dareposte</div><div class="ubbcode-body">Wow really sweet, and nice machine work. Who did your anodizing? How did you cut the bedding for the rifle? Did you use a bedding block or is it all integrated? </div></div>

A local shop did the anodizing. The action area was machined using a small ball end mill and incremental steps to create a larger radius (have a book with the formulas in it). The chassis is one solid block, but the piece holding the forend tube comes off to give access to the barrel so it can switch out. I have another barrel in 260 (shown is 308)
 
#13
Re: Self built chassis is done!

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: cm92</div><div class="ubbcode-body">yes thats the area was talking about. In the second pic it appears to have a rounded edge. </div></div>

I did the final finish work by hand, sanding out the light tool marks and breaking all the sharp edges, so it is slightly round, but not machined that way.
 
#16
Re: Self built chassis is done!

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: cm92</div><div class="ubbcode-body">also how are you rounding the edge on the trigger guard? a router bit or something? </div></div>

CNC handfile hahahaaha
 
#17
Re: Self built chassis is done!

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 257speed</div><div class="ubbcode-body"> ... The action area was machined using a small ball end mill and incremental steps to create a larger radius (have a book with the formulas in it)
... </div></div>

Very impressive, I would never have thought to try that. I run a CNC on occasion with a ball end but the stepovers are like 0.010" for the finishing passes, I'd never have the patience to do that on a manual machine. Kudos and great work.
 
#28
Re: Self built chassis is done!

thats damned nice i don't think i have the patience to do that on a manual mill but if i did it on a CNC mill i would have to watch it throughout the process because i wouldn't have enough cofidence in my programing skills to let it go on its own
 
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