The M14/M1A CASM® scope mount Question for anyone that owns one.

leonard

leonard

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The M14/M1A CASM® scope mount Question for anyone that owns one.

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The M14/M1A CASM® scope mount Found Here j

Question.
The Mount looks like its hollowed down the middle for use of the irons in a rough battle mode type usage scenario. Sort of a Battle set Peepsite.
I'm wondering if larger scopes would block this tunnel?
I assume with the mount being so high you want to bring your glass down as far as possible to the base.
and it appears most Scopes would definitely protrude ahead of the rail.

any opinions on that?
 
My Casm mount has a peep hole in the rear of the mount. My medium leupold rings didn't obscure it at all neither did the 50mm scope. And yes most scopes will protrude from the rail it's only about 5 inches long
My opinion is its a very very good Canadian made mount. Holds true always for me. I would definitely recommend it!

 
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Don't worry about the peep sight. You will need a cheek rest of some kind to use your scope and the rest will preclude getting low enough to use the peep. In any event, the peep hole is very, very small - not practically usable in my view.

Most scopes will I think protrude ahead of the rail. One thing to think about is your eye placement relative to where the scope is mounted on the rail. On my rifle, to get the desired eye relief, the scope is moved so far forward that the rear ocular bell almost touches the rear of the CASM. If I were shooting prone I might want to move it even more forward but Im at the limit of the scope/base arrangement.

I wouldn't overthink this. I'd think medium height rings for a 40mm-ish scope and high rings for a 50mm.
 
Well, I just started shooting prone and I'm learning a lot. When I first started shooting with a bipod off a bench, I shouldered the rifle as I would if it were on sand bags or if I were shooting service rifle match style. When I was shooting like that the scope was forward a good amount. Then I learned that I had to retrain myself and get directly behind the rifle which pulled my head back. It just so happens that with the scope as far back as I can get it without the 50mm objective bell touching the front of the mount, that it happened to be the perfect spot for a good sight picture when shooting prone. I might get 2 sheets of paper between the mount and the bell.

With Leupold medium rings and a 30mm tube and 50mm objective lens, the rear peep sight is blocked and unusable.

Tony.
 
thats what i figured.
i may be SOL my scopes in the cabinet are 40&50mm obj lense
I enjoy a wide view obj lense though so that may be just a tradeoff.
Id take a wide View scope over a make shift peep site anyday of the week.
Worse case use the thing at 3x and have 5 or so inces of eye relief or more.
 
Pss . this still looks to me like the least bulky - most realistic solid mount for a M14 that ive seen.
It looks like it cant fail kind of like the SKS Wartak Scar SD-R rail almost the exact same concept.
 
I've got low rings and the CASM mount on a blackfeather stock and a 50mm scope and I can see it but the cheek riser does get in the way . I think this peephole was designed as a emergency back up for scope failure , not a secondary sight . If I had to use it I'd most likely just take my scope off lower my cheek riser and id be good to go . Looking through it the hole is really tiny and I've been thinking of drilling it out a little bigger or even making a v notch with the hole being the bottom of the sight picture . Please remember how high this mount is off the barrell and the higher the rings you chose means the higher your cheek riser will have to be if you want a good cheek weld . I didn't think I'd be able to use the low rings but it fits really nicely so far , good luck !
 
Have it on my SA NM M1A with great results ( even with big scope like my S&B 5X25X56 PMll ), very sturdy, use to have a ARMS 18 but got an occasional jam ejecting... JP.

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It appears that the front of this rail doesn't actually screw into anything, am I right in that observation?

It looks like the screw in the front just presses against the rifle barrel to stabilize the rail against the pressure of the rear screw doing the same.

I wonder how truely solid this can be, at first I had assumed it screwed down into a threaded mounting hole of some kind but I think thats not the case is it.
 
leonard said:
It appears that the front of this rail doesn't actually screw into anything, am I right in that observation?

It looks like the screw in the front just presses against the rifle barrel to stabilize the rail against the pressure of the rear screw doing the same.

I wonder how truely solid this can be, at first I had assumed it screwed down into a threaded mounting hole of some kind but I think thats not the case is it.
Click to expand...

Your observation is accurate. I too was a little skeptical but after thousands of rounds, I've had no need to touch the scope rail..it is just dead solid, and it's only the aluminum mount. There are many of these rails in use and I have yet to see any comments regarding unsteadiness of the system.

An advantage of the cantilever mounting is that you can easily adjust the tilt of the mount to provide additional MOA if you really need to reach out there.
 
I am going to egged for this - but I don't care! For me going to a scope on the M1A was a very, very traumatic emotional experience. Ya see, I'm 50, and my eyes don't work well anymore. Putting a scope on a sweat heart rifle like the M14 is like having to take ######, or going bald, or having to wear Depends adult diapers! I wish I had bought mine 30 years ago.

I finally bit the bullet and did it. I ordered the mount from our good friends at M14.CA and when it came in it sat for a few months. The manager at M14.CA even e-mailed me and asked me how the scope installation went and I had no info for him. I was impressed though - that kind of customer follow up is rare as hen's teeth these days.

Months of terrible shooting finally settled it and I dug out the CASM mount, installed it and robbed a stinker in the gun safe of its 3x9 Swarovski scope. Then I built a leather cheek rest and finally went to the range, feeling foolish and old. I dialed the scope in and then got off the bench and went hunting gongs - and I shot like I did when I was a kid. I went 5 for 5 on the 100m gong and almost wept with happiness.

Those irons on the M1A are awesome and a younger man should take full advantage of them! The M14 wasn't meant to be scoped and if you can enjoy the rifle as it was designed over half a decade ago - you absolutely should! Better yet, buy two, scope one and leave the other au naturalle! The CASM mount I have is absolutely flawless...but I only have maybe 60~70 rounds on it. I will probably have to re-tighten bolts as more rounds go down the pipe... If you are going to buy the CASM mount, the best dealer out there for it is M14.CA. They deliver a fine product and the customer service is even better.
 
I do agree, the M1A is better when shot with open sights but for extra accurate range work, a top scope will enhance this great rifle... JP.

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leonard said:
It appears that the front of this rail doesn't actually screw into anything, am I right in that observation?

It looks like the screw in the front just presses against the rifle barrel to stabilize the rail against the pressure of the rear screw doing the same.

I wonder how truely solid this can be, at first I had assumed it screwed down into a threaded mounting hole of some kind but I think thats not the case is it.
Click to expand...

Once you see how solidly it's mounted into the sight pocket, your worries will disappear. The front screw is just for tension, to allow the mount to flex and return to precisely where it should - just be careful to follow the instructions to the letter and not be tempted to over-tighten the front screw, it's easy to bow the mount with too much tension.
 
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It is dead solid, my S&B 5X25X56 PMll is a huge, heavy scope and the mount is awsome keeping zero... JP.
 
leonard said:
Pss . this still looks to me like the least bulky - most realistic solid mount for a M14 that ive seen.
It looks like it cant fail kind of like the SKS Wartak Scar SD-R rail almost the exact same concept.
Click to expand...

I have tried a few different mounts and the Casm is in my opinion, the best. It gives you sufficient length of rail and does not interfere with brass ejection. As stated previously, the hole for back up sighting is pretty much useless. As you have removed the rear sight already to mount the rail, just go and take off the front sight as well. It's of not much use anymore really and then it won't be getting snagged on brush etc if you are a hunter.
 
rascal1 said:
I have tried a few different mounts and the Casm is in my opinion, the best. It gives you sufficient length of rail and does not interfere with brass ejection. As stated previously, the hole for back up sighting is pretty much useless. As you have removed the rear sight already to mount the rail, just go and take off the front sight as well. It's of not much use anymore really and then it won't be getting snagged on brush etc if you are a hunter.
Click to expand...

I have the steel mount on my M1A and the aluminum mount on the Norinco, haven't seen any difference between the two regarding reliability etc. Must say though I really like this design as I have not had any issues with brass hitting the mount and causing issues that I have read about with other designs where the brass hits the mount and causes missfeeds.
Rodney
 
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