NC Star Scope Mount

[sobo4303]

Here's a question for you techies out there.

I purchased a scope mount (NC Star) for my M14. Removal of the stripper clip, while snuggly in there, was relatively easy to remove.

My issue now is that with a "rough" mounting, the assembly is off centre, as viewed through my existing sights (to the right) about 1/16". The rifle was sighted in with the existing sights, so I know they are bang on.

Should I be shimming the mount so that it sits on the same (vertical) plane as my sights?

Any insights would be appreciated.

 

[klrklr]

Here's a question for you techies out there.

I purchased a scope mount (NC Star) for my M14. Removal of the stripper clip, while snuggly in there, was relatively easy to remove.

My issue now is that with a "rough" mounting, the assembly is off centre, as viewed through my existing sights (to the right) about 1/16". The rifle was sighted in with the existing sights, so I know they are bang on.

Should I be shimming the mount so that it sits on the same (vertical) plane as my sights?

Any insights would be appreciated.

Is the barrel index properly? Make sure that tab on the lower part of the mount seats properly in the receiver make sure that it is aligned and leveled with the bore and receiver. It is very easy to screw this part up. If it looks fairly good I would try to bore sight the rifle if you can't bore sight it don't waste your time at the range you will only get pissed off. If you have to use too much wind age or elevation to dial it in I would shim the receiver/ mount to give the max amount of adjustment. I have herd of people having alignment issues with even the higher end mounts and rifles good luck.

Just my 2 cents

 

[sobo4303]

Update

The barrel/sights were indexed properly, and ya, I wuz getting a little angry.

Then the mechanical genius in me came out and I started measuring, tweeking and just plain 'ol making it work.

Well, who woulda guessed. I mounted a good 4x scope on it and took it out to the range. I already knew the it really did not like the Winchester stuff, but it was good enough to put it on paper. I got reasonable groups at 100 yards.

Then....

I tried my recipe (Hornady's). With a rest I some careful concentration, that thing was grouping at just under 1" and hitting a 12" gong at 300 yards with a 4x scope.

I'm thinking of going through the process again, except this time with a 4 x 12 scope and see if the groups tighten up even more.

 

[sobo4303]

2nd Update - HEAVY

Well, I was not happy with the fact that the NC Star scope mount was NOT centred on the barrel of the gun. It was offset a bit.

I looked online and found the Sandlak site whereby they had a cammed fitting. That got me thinking and a few (maybe a lot) of measurements later, I utilized the Hungry method (really cheap) and fabricated my own fitting. Using an old socket (which I cut) and a piece of a neoprene sheet I had laying around, I was able to install the Scope mount dead-on centre of my barrel. Further, as a bonus, I used the neoprene to act as a "gasket" to absorb shock and assist in fitting to the rifle. I used the horizontal "v" notch on the bottom of the receiver as my guide for the horizontal, so it sits really nicely.

It's too cold out to sight in, but the boresight method was very accurate and the scope was deadly to the original position of my sights.

I am looking forward to the range, due to the fact that with the 4x scope I shot just under an MOA, kinda got me curious as to what it will do now. My only issue is that that damn rifle now weights in at a hefty 12.4 lbs. Who said hunting was going to be exercise.

Here are the pics of the finished rifle.

 

[klrklr]

Keep us posted

 

[autocrash]

I used the neoprene to act as a "gasket" to absorb shock and assist in fitting to the rifle.

...so not going for the "solid" mount thing then, eh?

 

[sobo4303]

Soilidly Mounted

...so not going for the "solid" mount thing then, eh?

Actually, it IS solidly mounted as there is a cam, actually an angled washer (through which the bolt is threaded into the rifle) securing the mount to rifle.

However, given that mounting bracket was manufactured sriaght, there is a spot where the angle of the bracket and the top of the receiver could cause a vibration. Having worked on many mechanical devices in the past taught me that if it is likely to happen, it will. So that is where the neoprene comes in. It is above the securing screw. That thing ain't moving for all the tea in China...pardon the pun.

The neoprene is not, in any way, between the securing screw, angled washer and the receiver.

 

[klrklr]

There is always some armchair authority that knows best. The proof is in the targets shot.

If you want to cut weight try one of the new Redfield scopes I love mine.

 

[autocrash]

...there is a spot where the angle of the bracket and the top of the receiver could cause a vibration. Having worked on many mechanical devices in the past taught me that if it is likely to happen, it will. So that is where the neoprene comes in. It is above the securing screw. That thing ain't moving for all the tea in China...pardon the pun.

lol.... gotcha, now... I thought it was around the mounting screw...

There is always some armchair authority that knows best.

Woohoo! I'm an authority!