Remington 700 Clone action help

Gorf

Private
Minuteman
May 3, 2020
14
1
Hello everyone,

I am looking to build a rifle in an MDT ESS Chassis with the full rail forend and it requires the MDT High Scope Base in order for the fore end and scope base picatinny to line up correctly.

I was initially going to buy a barreled action from IBI (Ultimatum Deadline action). Both companies are in Canada so it makes it easier for me. The problem is when I called them was they told me the MDT Base will not work on the Deadline as they said a Remington rail will not fit a deadline because the tops of both actions are different. I was thinking about seeing if I can get the measurements and drill new holes in the MDT base if the dimensions would allow it but it would be a hassle. The Deadline outer diameter is 1.358" +/- .010 so that may work, from what I've read online the Rem 700 action is 1.35.

Why don't I just get a Rem 700 action? Well multiple reasons. I do not want a 90 degree bolt throw and I do not want an open top receiver. 70 degree or less and a closed top receiver is what I am looking for. By closed top I mean I just want an ejection port, nothing more. Even the Bergara premier actions are too "open".

My question is, are there any actions that are Rem 700 footprint, same receiver height, no integrated rail, same scope base screw dimensions, 70 degree or less bolt throw and are not open top? Icing on the cake would be a fluted bolt.

Most companies I have been looking at do not specify anything other than their action is a Rem 700 footprint.
 
I ran into a similar issue with my ESS. I’m running a Curtis Axiom SA which has a 60° bolt throw. Some of the holes didn’t line up and the MOA cant of the scope base wasn’t going to line up level with the forend rail, it needed to be higher in the front but didn’t have enough material.

I ended up basically building a “form” around the bottom of the scope base, like pouring concrete, and filled it with JB-weld. I *scored* the bottom of the scope base with a cutting wheel before adding in the JB-weld, kind of like scoring two pieces of clay before attaching them to each other when doing ceramics, with the thought that the JB-weld would fill in those cuts and bind to the base even better. Whether it did or not I have no idea but it stuck and hardened and is super solid.

After it hardened I took it to a local machine shop and had them machine it down to the exact fit matching the top of my action and at the correct angle to line up perfectly level with the forend. They also drilled the correct holes to marry up the scope base with my action. So it basically ended up being like bedding and marrying your action to a rifle stock, just on the top side.

Now I know this may seem like a lot of work, and you may be asking why did I go through all that work. Well I had the action I wanted to use, the look/setup I wanted, and didn’t have to buy a new action/barrels/chassis. doing the JB-weld thing took maybe 30 min, I ended up spending relatively very little (maybe $150-200 + a case of beer) for the machining and it’s been running flawlessly since. And it’s exactly what I want. So it was worth it for me but may not be for you, but that’s just my experience so I thought I’d share. Obviously the machining will be the most expensive part so you may have to shop around, bring a case of beer to bribe a buddy who has a machine shop, or do it yourself if you have the ability.

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