The M14 Rear Sight Aperture is missing in this photo because the scope's eyepiece won't fit over it without interference. It looks like you need to buy a new set of rings to raise that scope in order to enjoy the irons.
Springfield M14 mount
- Thread starter Brocolt
- Start date
That is partly covered in Note 2 of the installation instructions. I should write in an addendum, but this should help explain. I think an installation video would be the best thing.
Note 2: While some vertical adjustment is designed into the mount, these vertical tensioning screws are not to be used against each other for major elevation adjustments at the mount. If you want to raise the front of the
mount to significantly adjust vertical zero, then ensure that you loosen the rear elevation screw first, creating sufficient clearance for rotation...
I bought the Gen II and installed it myself with limited skills. Works great, just bore sighted it, took it to the range and it was on target lickedysplit! A video is not really required but may solve alot of questions people have about this mount. You can adjust the elevation with a fraction of a turn or two on the front srew, as required, and, as long as you dont lock in the rear sight support until done. In my case, it was not required, as my scope has 100 moa. Just keep in mind that it is a 2 point anchor with the rear sights that have to come off, so unless you shoot a scoped mount only, find another solution. I really have had no problems with it, but, keep wondering why there is not a third anchor point in the front. That would however require tapping the top of the chamber. Have a PM to Frank on that one.He will let us know.
I give it a 9 out 10 for a scoped mount. Make sure you match the colour to your stock, or else they will call you GOLD FINGER! Sorry Frank the gen III is alot better in black.
Frank ( M14.CA ),
I have a question about the durability of an aluminum base.
Many years ago, I bought a cast aluminum base with a similar design to yours for my Ruger Mini-14. I forget the make.
The problem I had was the mount would start to bend when the front and rear set screws were tightened up. This deflection meant the mount was never truly locked in place.
Eventually, I just made a copy of it in steel. (I am a steel fabricator, so a few hours with a mini-grinder was all it took) I still have it, in fact. Once the bending issue was solved, it worked well.
As yours is not a casting, but a 7075 grade machining, do you avoid the deflection problem entirely? Is it warrantied against this specifically?
I have a question about the durability of an aluminum base.
Many years ago, I bought a cast aluminum base with a similar design to yours for my Ruger Mini-14. I forget the make.
The problem I had was the mount would start to bend when the front and rear set screws were tightened up. This deflection meant the mount was never truly locked in place.
Eventually, I just made a copy of it in steel. (I am a steel fabricator, so a few hours with a mini-grinder was all it took) I still have it, in fact. Once the bending issue was solved, it worked well.
As yours is not a casting, but a 7075 grade machining, do you avoid the deflection problem entirely? Is it warrantied against this specifically?
Good point but, look, Im not a steel fabricator or a gunsmith, so, I will leave it to you guys to debate those issues. I did not see any warping in the aluminium which is CNC machined and meets or exceeds specs, because, it sits on top of the receiver rather than on the side which is where the heat and all those nasties might have a negative effect. As far as I know, Steel also warps with applied heat in the wrong places. Carry on!
Comparing steel to aluminum when it comes to a suspended rail and heat induced effect is kninda like comparing a cherry to a cucumber no?
I followed the instructions for the elevation adjustment and I'll post my thoughts later. I asked as I have a client who was installing the casm mount and had concerns. I'll post the pics he sent me in a bit.
I followed the instructions for the elevation adjustment and I'll post my thoughts later. I asked as I have a client who was installing the casm mount and had concerns. I'll post the pics he sent me in a bit.
I have had the Gen 1 CASM mount as well as the ProMag Arms18 steel mount installed on the same M14 (using the same scope/rings) and there was no difference in holding zero between the two mounts. My CASM is still on the EE if anyone is interested in it.
7075 T6 is as strong as mild steel and 12L14 steel that most scope mounts are made of. The ARMS 18's that I have installed seem to be harder than 12L14, perhaps a Crome-moly steel, heat treated perhaps? The Pro mag ARM's 18 clone that I just put on my latest M-305 is definitely softer than a genuine ARM's 18, but it seems to work. I have a 20x Super Sniper on it, which is fairly heavy. I will watch the picateny grooves for
battering. I think the genuine ARMS 18 is worth the extra $80.00 or so.
battering. I think the genuine ARMS 18 is worth the extra $80.00 or so.
It was not the heat that caused my original cast Al mount to warp, it was the result of tightening up set screws ahead and behind the pivot point. (Where the rear sight is removed and the base attached)
Just imagine how much shooting would be required to heat the mount to the point it heat distorted! And distortion occurs when the heat is localized. If the mount (a relatively small item) warms up evenly, distortion will not occur.
Just imagine how much shooting would be required to heat the mount to the point it heat distorted! And distortion occurs when the heat is localized. If the mount (a relatively small item) warms up evenly, distortion will not occur.
Hehehehe... You guys are Killing me with this. Went to my DOC today, said my prostate will last another few years without any modification. Asked him if it was a 7075 T6. He looked at me kind of Funny
As long as your prostate doesn't get distorted out of shape due to too much heat and friction!
(hey, you went there first!)
Yes, during our 5 months of evaluation of the CASM scope mount we concluded with a rail thickness that was sufficient to offer a lifetime repair or replacement warranty. A 1/4-1/2 turn at the front pad after half-dog tipped set screw touches receiver ring is all the mount needs to securely "unitize" the CASM mount to receiver. I did this installation just a few minutes ago.
Hi Frank...
I am tring to instal your mount but I am having issues and I have asked all the ussal suspects on what I am doing wrong but maybe you can help me fin the answer to your mount design that has got me puzzled. It goes like this;
Started like this:
Then I started tightening it:
Now it's tightened:
Here is the spec's of the distace of the u shape between the square and the mount I recorded when tighting there mount:
I am really worried about putting my scope on a mount that bows like this. Any remidies for this situation Frank?
Thanx for your input.
I am tring to instal your mount but I am having issues and I have asked all the ussal suspects on what I am doing wrong but maybe you can help me fin the answer to your mount design that has got me puzzled. It goes like this;
Started like this:
Then I started tightening it:
Now it's tightened:
Here is the spec's of the distace of the u shape between the square and the mount I recorded when tighting there mount:
I am really worried about putting my scope on a mount that bows like this. Any remidies for this situation Frank?
Thanx for your input.
Satain, feel free to call me direct and I can walk you through the installation instructions over the telephone (250 721 3444). You can also download the instructions here. Please note on page 2 of our instructions the following:
"4.] Apply blue Loctite® and tighten the front vertical adjustment screw until it just contacts the top of the receiver. Add no more than ¼ to ½ turn extra rotation to pre-load the spring tension of the mount."
(That's all that is required).
That's it, happy shooting!
Satain, thanks again for writing. (I just subscribed to this thread so I can reply a little faster. I apologize for the late reply.)
The M14/M1A CASM scope mount's Engineering and Design PDF file is available for download.
(I think this is the best way to illustrate the design concept behind the CASM mount without typing in two pages of notes here).
And by the way, you said you liked the new CASM "MRD" mount. Here is one of the first photos. I'll have more later but my friend has borrowed my Jpoint red dot and apparently, he doesn't want to give it back!
