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No. 4. Ensure Alignment of Aluminum Bedding Pillars
No expensive jigs, fixtures, or milling machines are
necessary. 12 Photos show how!
In a stock of wood or fiberglass you must build a solid foundation. With these
tools, and the "Bed Heads" Installation process, you can also achieve an accurate foundation.
In order that your rifle sit squarely on the drill press table, attach a pair of weaver scope mount bases to the receiver.
Be certain that the depth stop in your countersink is adjusted and locked in a position which prevents contact
between the countersink and the receiver. See picture #3
| Picture #1 |  |
Use these tools to ensure alignment of pillars before they become captured in epoxy.
No expensive
milling machine, jigs, or fixtures are necessary for accurate location of aluminum pillars in your stock.
The "Bed Heads" countersink is piloted on the inexspensive and readily avaliable, Forster inletting guide screw.
These tools are available in Gunsmithing Tools catagory.
Here, we see a pair of Forster inletting guide screws installed in a Remington M-700 receiver.
The "Bed Heads" countersink has been placed down over one of these guide screws to illustrate how they work together.
Picture #3 |  |
The "Bed Heads"
countersink has an adjustable stop to prevent contact between the cutter and the receiver.
| Picture #4 |  |
The factories have discovered the easy way to avoid guard screw alignment problems.
Just make the hole bigger! The guard screw hole in this stock is 3/8" in diameter and .050" off-center.
| Picture #5 |   |
The "Bed Heads" countersink will not be deflected by an off-center guard screw hole in
the stock, because it is piloted by this guide. A piloted Forstner bit does a good job of following the
original hole, (provided that you have the correct size pilot.) But when the original hole is off-center, the new hole
for your pillar will also be off-center.
| Picture #6 |  |
Center
the receiver in the stock by dropping an ADL bushing down over the rear guide screw, until it bottoms in the stocks trigger
guard inletting.
| Picture #7 |  |
Next, install the front guard screw and the other ADL bushing, then
tighten this front screw, so that the receiver will remain centered in the stock after the rear ADL bushing is
removed and while the hole for the rear pillar is drilled.
| Picture #8 |  |
Here is the setup ready to be moved to the
drill press and drilled for the rear pillar
After drilling simply
reverse the setup to drill for the front pillar, as shown in picture #9
| Picture #9 |  |
Once again, center the receiver in the stock by dropping the ADL bushing down over the front
guide screw, until it bottoms in the stocks trigger guard in-letting. Next, install the rear screw and bushing.
Now tighten this rear screw before you remove the Front ADL bushing.
| Picture #10 |  |
In this photo, the rear screw is
tight, and the front ADL bushing has been removed, this leaves the front guide ready to accept the "Bed Heads" countersink.
| Picture #11 |  |
Here, the "Bed Heads" countersink has been placed
over the front guide screw which makes this setup ready for the drill press, and drilling for the front pillar.
| Picture #12 |  |
After drilling both holes with the ½" countersink,
use a sharp 17/32" drill to slightly enlarge and re-drill both guard screw holes
all the way through.
This 17/32" drill will center itself in the smaller 1/2" hole and no
guide will be necessary.
Remember Ernie's Rule:
For the least amount of stress in your action.
Build your foundation while using the least amount
of force!
To purchase any of these tools, return to Navigation Bar at top of page and click on Pillar Installation
Tools.
No liability is expressed or implied for damage or injury which
may result from the improper installation or use of this product.
(Instructions above are for information only, do not add to cart)
Item #2004
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