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Posted: 12/10/2019 11:10:26 AM EDT
Won this Supermatch M1A in a raffle a few years ago. Gave it to my stepfather because although it was my ticket drawn, he paid for the ticket. He's had it for a few years and has never really shot it much, if at all. He's visiting from TN for my son's graduation and he brought it with him and gave it back to me.
Took it out shooting and ran out of elevation adjustment (Steiner optic was won with the rifle and was mounted by the gunshop). The mount is a Smith Enterprise and I know that there is some amount of adjustment allowed in this mount. I don't have the paperwork for the mount, though, and I can't seem to find what I need on the interwebz. Help, please...  Attached File |
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Posted: 12/10/2019 11:14:58 AM EDT
[#1]
What ammo and distance were you shooting at?
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Posted: 12/10/2019 11:15:35 AM EDT
[#2]
Like above- what ammo, what distance, was it benched, etc
If that was me, id take it all off and start over. Mount from gun, scope from mount. |
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Posted: 12/10/2019 11:19:41 AM EDT
[#3]
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Posted: 12/10/2019 11:43:42 AM EDT
[#4]
It was benched at 50 yards using Federal XM80CL.
I was just shooting to shoot. Not really trying to get much out of it. I was just surprised that I had to adjust the elevation all the way to get it within 1" of aim point. I kinda figured I'll have to take everything off and start from scratch. I guess there are less fun problems to have. |
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Posted: 12/10/2019 11:54:40 AM EDT
[#5]
Shooting high or low?
Try it at 100 and 200. The M1A isn't a 50Y gun. |
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Posted: 12/10/2019 12:45:38 PM EDT
[#6]
Quote HistoryQuoted:
Shooting high or low? Try it at 100 and 200. The M1A isn't a 50Y gun. It was shooting way high. I was able to dial it down, but I ran out of elevation adjustment. It shouldn't have done that, even at 50 yards. Optic is a Steiner T5Xi 3-15x50. Definitely a mount adjustment issue. |
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Posted: 12/10/2019 12:53:13 PM EDT
[#7]
I'm guessing you have the wrong mount on the rifle for that distance. Look up the mount and see if it has elevation built in or if there is anything else "special" about it.
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Posted: 12/10/2019 1:06:04 PM EDT
[#8]
What a raffle win!
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Posted: 12/10/2019 1:23:35 PM EDT
[#9]
Quote HistoryQuoted:
I'm guessing you have the wrong mount on the rifle for that distance. Look up the mount and see if it has elevation built in or if there is anything else "special" about it. Seems like I'll be able to bring the scope back to midpoint and boresight relatively easy. |
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Posted: 12/10/2019 1:26:01 PM EDT
[#10]
Quote HistoryQuoted:
What a raffle win! |
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Posted: 12/10/2019 1:33:26 PM EDT
[#11]
Ditch the scope and use the irons.
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Posted: 12/10/2019 1:33:30 PM EDT
[#12]
The mounts likely not installed correctly. I believe there’s a set screw in the front to set the level front to back during installation, and I bet that needs some tuning to remove some of the forward slope.
From reading their site, SEI is pretty adamant that their mount fits military and Chinese receivers, but seems to be silent about how they work on Springfield Armory rifles. They also recommend gauge blocks and a machinists level for installation, which is beyond the capabilities of most shops. |
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Posted: 12/10/2019 2:45:33 PM EDT
[#13]
Quote HistoryQuoted:
Ditch the scope and use the irons. |
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Posted: 12/10/2019 3:05:09 PM EDT
[#14]
You might be able to use Burris XTR rings to lower it. They're made to raise MOA, but I'm not sure why you just use them in reverse.
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Posted: 12/11/2019 4:29:28 PM EDT
[#15]
Call up SADLAK INDUSTRIES and have Dee (righthand) send you a receiver inspection kit.
There is a known receiver fitment issue with some Springfield receivers that cause the mount to not sit correctly in the mounting groove. Once you have the measurements then Sadlak will machine your mount. Or you can just send in the rifle and they will do it for you. |
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Posted: 12/11/2019 5:43:46 PM EDT
[#16]
I willing to bet there is nothing wrong with your scope or mount. The scope probably has a zero stop setting. It can be adjusted, but you probably won't need to once you shoot @ 100 or 200 yards.
I shoot 168's through my M1-A's, it seems a waste of barrel life to shoot anything less. |
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Posted: 12/11/2019 5:45:30 PM EDT
[#17]
Great rifle by the way.
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Posted: 12/11/2019 8:50:03 PM EDT
[#18]
Awesome looking M1A!
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Posted: 12/12/2019 8:32:43 PM EDT
[#19]
Well, I learned something today.
I studied the step by step instructions for installing the mount and decided I would remove it and start over. I removed the optic and rings and then backed out the front set screw. I gently loosened the cam bolt about a half turn and... it dropped completely out. 
Turns out that the LGS that slapped this together to display it for their raffle stripped the cam bolt. I took everything off and cleaned out the metal shavings and closely inspected the receiver. It looked fine, fortunately. I took the bolt and screwed it into the receiver (without the mount) just to make sure it was good. The bolt is stripped about 3 threads deep, but once the good threads gained purchase, the bolt screwed in just fine. Thank God! Looks like I just need to get a new #12-32 cam bolt from Smith (or someone) and start over from step 1. Nothing's easy, huh? |
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Posted: 12/12/2019 8:41:34 PM EDT
[#20]
Quote HistoryQuoted:
Well, I learned something today. I studied the step by step instructions for installing the mount and decided I would remove it and start over. I removed the optic and rings and then backed out the front set screw. I gently loosened the cam bolt about a half turn and... it dropped completely out.
Turns out that the LGS that slapped this together to display it for their raffle stripped the cam bolt. I took everything off and cleaned out the metal shavings and closely inspected the receiver. It looked fine, fortunately. I took the bolt and screwed it into the receiver (without the mount) just to make sure it was good. The bolt is stripped about 3 threads deep, but once the good threads gained purchase, the bolt screwed in just fine. Thank God! Looks like I just need to get a new #12-32 cam bolt from Smith (or someone) and start over from step 1. Nothing's easy, huh? |
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Posted: 12/12/2019 8:52:56 PM EDT
[#21]
Quote HistoryQuoted:
Somebody handed that to the counter help and said "put this together"...thankfully you lucked out and the bolt did not strip out the hole. Quote HistoryQuoted:
Quoted:
Well, I learned something today. I studied the step by step instructions for installing the mount and decided I would remove it and start over. I removed the optic and rings and then backed out the front set screw. I gently loosened the cam bolt about a half turn and... it dropped completely out.
Turns out that the LGS that slapped this together to display it for their raffle stripped the cam bolt. I took everything off and cleaned out the metal shavings and closely inspected the receiver. It looked fine, fortunately. I took the bolt and screwed it into the receiver (without the mount) just to make sure it was good. The bolt is stripped about 3 threads deep, but once the good threads gained purchase, the bolt screwed in just fine. Thank God! Looks like I just need to get a new #12-32 cam bolt from Smith (or someone) and start over from step 1. Nothing's easy, huh? |
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Posted: 12/15/2019 10:37:10 PM EDT
[#22]
Quote HistoryQuoted:
Well, I learned something today. I studied the step by step instructions for installing the mount and decided I would remove it and start over. I removed the optic and rings and then backed out the front set screw. I gently loosened the cam bolt about a half turn and... it dropped completely out.
Turns out that the LGS that slapped this together to display it for their raffle stripped the cam bolt. I took everything off and cleaned out the metal shavings and closely inspected the receiver. It looked fine, fortunately. I took the bolt and screwed it into the receiver (without the mount) just to make sure it was good. The bolt is stripped about 3 threads deep, but once the good threads gained purchase, the bolt screwed in just fine. Thank God! Looks like I just need to get a new #12-32 cam bolt from Smith (or someone) and start over from step 1. Nothing's easy, huh? Glad it's going to work out for you OP. Keep that beautiful rifle far away from buba! |
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Posted: 12/30/2019 6:22:54 PM EDT
[#23]
Got a new cam bolt and, mercifully, everything went back together as it should.
Her former glory has been returned to her.  Attached File |
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Posted: 12/30/2019 7:57:56 PM EDT
[#24]
Nice
I love that camouflage McMillan stock |
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Posted: 12/31/2019 9:42:30 AM EDT
[#25]
Quote HistoryQuoted:
Nice I love that camouflage McMillan stock |
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Posted: 12/31/2019 11:51:27 AM EDT
[#26]
Quote HistoryQuoted:
I know it's a great stock, but it's my least favorite thing about this rifle. |
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Posted: 12/31/2019 12:02:46 PM EDT
[#27]
Mount the Smith per the instructions. Mechanically zero the scope. Buy a set of Burris Signature Z rings and use the offset inserts to zero/boresight the scope. Then use the scopes dials to fine tune the zero.
Commercial M1a receivers are notorious for being out of "mil-spec". Not really an issue until you mount a scope and the groove that interfaces the mount doesn't agree with the bore. The mount can be machined to fit the receiver, but then you have a custom mount. Burris Z rings skip all that machining, shipping, and guess work. They are very nice rings and I plan on using them in the future. |
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Posted: 12/31/2019 1:04:54 PM EDT
[#28]
Quote HistoryQuoted:
Really? Why? Quote HistoryQuoted:
Quoted:
I know it's a great stock, but it's my least favorite thing about this rifle. (Just my opinion, of course) I'd like to find a decent wood stock or chassis (JAE, but $$$). I'd keep the McMillan for value purposes, though. |
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Posted: 12/31/2019 2:05:35 PM EDT
[#29]
I have no experience with M1As or that mount. But if it was shooting high and you bottomed out your elevation to hit 1" high at 50 - it might have been zeroed at 100 or 200 bottomed out leaving ALL your elevation available for LR shooting. That's how I like to have my LR bolt guns set up. I use Sightron SIIIs that I love but they don't have a ZS. I use a rail and Burris XTR sig rings with their inserts to get a 200 yard zero with the elevation bottomed out (or at least less than a full turn from it so I never get lost on the dial).
Just a thought. Amazing rifle to have won! |
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Posted: 12/31/2019 2:46:09 PM EDT
[#30]
Quote HistoryQuoted:
I have no experience with M1As or that mount. But if it was shooting high and you bottomed out your elevation to hit 1" high at 50 - it might have been zeroed at 100 or 200 bottomed out leaving ALL your elevation available for LR shooting. That's how I like to have my LR bolt guns set up. I use Sightron SIIIs that I love but they don't have a ZS. I use a rail and Burris XTR sig rings with their inserts to get a 200 yard zero with the elevation bottomed out (or at least less than a full turn from it so I never get lost on the dial). Just a thought. Amazing rifle to have won! When I first won the rifle, I kept it in my possession for 6 months or so. During that time, I took it to the range and zeroed it at 100 yards... and I set the zero stop. 
I rolled it the opposite way, counting clicks. It has 34 mils (340 clicks) and I reached the limit st 177. Then the lightbulb went off. It was 4ish years ago and I had completely forgotten. I'm a dumbass. |
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Posted: 12/31/2019 2:56:46 PM EDT
[#31]
I'm glad I forgot, though. It led to my discovery of the stripped bolt and I feel much better now that it has been taken care of.
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Posted: 12/31/2019 3:09:16 PM EDT
[#32]
Quote HistoryQuoted:
Heavy and ugly, IMO. (Just my opinion, of course) I'd like to find a decent wood stock or chassis (JAE, but $$$). I'd keep the McMillan for value purposes, though. |
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Posted: 12/31/2019 4:29:34 PM EDT
[#33]
Quote HistoryQuoted:
There's a few nice M1A Walnut stocks for sale in the EE.. Quote HistoryQuoted:
Quoted:
Heavy and ugly, IMO. (Just my opinion, of course) I'd like to find a decent wood stock or chassis (JAE, but $$$). I'd keep the McMillan for value purposes, though. I'm not even educated enough right now to know how to swap a stock. |
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Posted: 12/31/2019 4:41:02 PM EDT
[#34]
Quote HistoryQuoted:
I've been eying that blonde walnut. Trying to learn all the intricacies as to what fits what before I spend more money. I'm not even educated enough right now to know how to swap a stock. Unless the new stock needs the butt plate, you shouldn't have to do anything but just put the complete receiver in the top and put the trigger guard assembly in the bottom. If it needs the butt plate and rear swing attachment, that is easy - remove the two screws out of the butt plate pull off the butt plate and the rear sling guide reinstall into the new stock |
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Posted: 12/31/2019 5:24:19 PM EDT
[#35]
Quote HistoryQuoted:
Swapping a stock is easy.... alI you need to do is remove the trigger guard assembly, pull off the upper receiver. Reassemble in the new stock. Unless the new stock needs the butt plate, you shouldn't have to do anything but just put the complete receiver in the top and put the trigger guard assembly in the bottom. If it needs the butt plate and rear swing attachment, that is easy - remove the two screws out of the butt plate pull off the butt plate and the rear sling guide reinstall into the new stock Quote HistoryQuoted:
Quoted:
I've been eying that blonde walnut. Trying to learn all the intricacies as to what fits what before I spend more money. I'm not even educated enough right now to know how to swap a stock. Unless the new stock needs the butt plate, you shouldn't have to do anything but just put the complete receiver in the top and put the trigger guard assembly in the bottom. If it needs the butt plate and rear swing attachment, that is easy - remove the two screws out of the butt plate pull off the butt plate and the rear sling guide reinstall into the new stock |
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Posted: 12/31/2019 8:01:52 PM EDT
[#36]
Quote HistoryQuoted:
Sounds easy enough. Thanks Quote HistoryQuoted:
Quoted:
Quoted:
I've been eying that blonde walnut. Trying to learn all the intricacies as to what fits what before I spend more money. I'm not even educated enough right now to know how to swap a stock. Unless the new stock needs the butt plate, you shouldn't have to do anything but just put the complete receiver in the top and put the trigger guard assembly in the bottom. If it needs the butt plate and rear swing attachment, that is easy - remove the two screws out of the butt plate pull off the butt plate and the rear sling guide reinstall into the new stock |
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Posted: 1/2/2020 5:21:45 PM EDT
[#37]
That's a rear lugged gun. It's not going into another stock without excavating a fair amount of material.
And unless you get it bedded again, chances are I it won't shoot as well. The bedding is the lions share of what makes that a match gun. You might look to see if you can swap the whole gun for a National Match or Loaded which will be about a pound lighter. |
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Posted: 1/2/2020 11:09:25 PM EDT
[#38]
Quote HistoryQuoted:
That's a rear lugged gun. It's not going into another stock without excavating a fair amount of material. And unless you get it bedded again, chances are I it won't shoot as well. The bedding is the lions share of what makes that a match gun. You might look to see if you can swap the whole gun for a National Match or Loaded which will be about a pound lighter. |
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