Re: How To Install BT17 Rail for Atlas Bipod in McM A5
Received the bits yesterday. Thanks to 427Cobra for letting us use his bits, and dsteinert for sending them to me!
Step 1: Had to figure out how I was going to put mount on, because I had this APA stud on my stock that DOES NOT come out (pic 1). So I decided to put the mount over the stud as seen in next step(pic2).
Step 2: Centered mount and taped it then double checked center (pic2) and used #21 bit to drill hole through gelcoat side of stock using rail as a guide(pic 3).
Step 3: Removed rail and used #21 holes drilled in previous step for pilot holes to guide 3/4" counterbore bit from barrel channel side. Drilled slowly until about 1/8 inch of screw exits both 3/4" hole (pic 4)
Step 4: Then open up #21 holes from gelcoat side using 1/4" drill bit (pic 5). Added small amount of marine tex into 3/4" hole in barrel channel and inserted t-nuts (pic 6).
Step 5: Install BT17 rail and snug screws just slightly and fill 3/4 inch holes in barrel channel with marine tex. Let sit overnight to cure. Sanded down marine tex smooth with barrel channel (pic 7)
Step 6: Tapped up sides of barrel channel and hit it with a light coat of flat OD green spray paint (pic 8) Re-snug rail screws and the BT17 rail install is complete (pic 9) Install Atlas bipod and reassemble rifle (pic 10).