Long Range Hunting Online Magazine


Go Back   Long Range Hunting Online Magazine > Rifles, Reloading, Optics, Equipment > Gunsmithing


Reply

MilStd 1913 rails

 
LinkBack Thread Tools Display Modes
  #1  
Old 03-29-2010, 06:26 PM
Gold Member
 
Join Date: Jan 2007
Location: South Dakota
Posts: 753
MilStd 1913 rails

Here's the latest.

Machined from 300 series bar stock stainless steel.

These are fairly labor intensive little bastages.

1st op is contouring the bottom to provide a qualified edge. I machine these as a surface model so that I can use off the shelf tooling instead of having to buy form tools. Better finish too I think as there's less tool pressure doing it this way. Also gives the advantage of being able to control the contour a little more. Adding included minutes of angle are a snap, you just rotate the contour in the drawing and it updates the code for you.

2nd op is whackin off the excess and then just making the passes with the angle cutters to get the overall profile. then buzzing through the stuff with a little bugger to make the slots. That's what takes the longest since you can't go blazing away for fear of snapping the endmill.

I guess I could fixture and put the part on edge but I think surface finish would look like crap as I'd have to have a key cutter with a long reach shank to get all of them without the spindle smacking the part. Long reach tooling generally doesn't cut near as nice since it's so far out there unsupported.

Then a little engraving to mark the part and off to the rock tumbler to knock off the burrs and rub all the sharp edges nice and smooth.

I'm leaving the holes out so I can fit them to a wider variety of actions.

cheers,

C







__________________
Chad Dixon
Reply With Quote
  #2  
Old 03-29-2010, 07:33 PM
Platinum Member
 
Join Date: Feb 2009
Posts: 3,542
Re: MilStd 1913 rails

Thought I saw a similar post just the other day with these pics, they sure look good, nice work. Are you making them to be commercially available or just for your own needs?
Reply With Quote
  #3  
Old 03-29-2010, 08:09 PM
Gold Member
 
Join Date: Jan 2007
Location: South Dakota
Posts: 753
Re: MilStd 1913 rails

They are for sale also. I don't have them listed on the site yet.

$180.00 for all the Standard lengths. the Magnums will be a little more due to material

These are all 0 MOA. Next batch will have some elevation included.

I'll have to write code for a Remmy to deal with the offset height on the rear bridge. All in good time.

Cheers,

Chad
__________________
Chad Dixon
Reply With Quote
  #4  
Old 03-31-2010, 03:57 PM
Platinum Member
 
Join Date: Feb 2009
Posts: 3,542
Re: MilStd 1913 rails

Chad, any rough guess and timeframe for 20 moa and whether they'll be for custom actions such as BAT?
Reply With Quote
  #5  
Old 03-31-2010, 04:14 PM
Gold Member
 
Join Date: Jan 2007
Location: South Dakota
Posts: 753
Re: MilStd 1913 rails

I can have one ready early next week. Just need to know the length and the hole spacing.

Give me the model of BAT receiver you have and I'll make it happen.
__________________
Chad Dixon
Reply With Quote
  #6  
Old 03-31-2010, 05:19 PM
Platinum Member
 
Join Date: Feb 2009
Posts: 3,542
Re: MilStd 1913 rails

Chad, sending a PM on the BAT action.
Reply With Quote
  #7  
Old 04-05-2010, 01:50 AM
GNERGY
 
Posts: n/a
Re: MilStd 1913 rails

Good write up. It's nice to learn how you go about making custom parts and the plus's and minus's of machining them. And how sometimes they change shape when you take them out of the vice.
I took a weaver one piece base and went to machine a different radius in the bottom to fit a .813 dia. T/C barrel. I put it in the vice on some parallels and angled the head on the bridgeport to get the radius from the 13/16th's end mill. The radius turned out great, till I opened the vice, then I ended up with this 'U' lookin thing Took a little while to get it flat again.

Keep the Show and Tells coming.
Tarey
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes


Similar Threads for: MilStd 1913 rails
Thread Thread Starter Forum Replies Last Post
Picatinny Rails? Sako7STW Long Range Scopes and Other Optics 28 10-06-2013 04:48 PM
Bench gun rails ewallace Long Range Hunting & Shooting 7 05-28-2010 09:09 PM
Rails. Knockturnal Long Range Scopes and Other Optics 4 04-06-2009 07:28 PM
Picatinny 1913 Rail For Montana Action jnoland General Discussion 1 01-07-2008 12:18 AM
NF 8-32x56 IOR 1913 base Baer rings EXPRESS Equipment Discussions 2 04-09-2004 01:34 PM


All times are GMT -5. The time now is 03:01 PM.


Powered by vBulletin ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Management Powered by vBadvanced CMPS
All content ©2010-2014 Long Range Hunting, LLC