Besides the better battery life (80k vs. 50k hours) and AA versus 3v lith. are there any other reasons to plunk down an extra ~$140 on the M4?
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Member
Besides the better battery life (80k vs. 50k hours) and AA versus 3v lith. are there any other reasons to plunk down an extra ~$140 on the M4?
Industry Professional
The CompM4 has an integral mount thus saving you money that you would have spent on a mount. Even if you bought a LaRue throw lever mount for the CompM4 the fact that it bolts into the body of the optic is very significant with regards to durability and reliability of the optic retaining zero if slammed hard against a wall or dropped on a asphalt or concrete road. I perform live fire demos constantly using the same CompM4 that came from my original Aimpoint T&E issue, nothing special about it, where I shoot a group at either 50, 100, 200 yards (whatever the range allows) take it off the gun throw the CompM4 across the range ensuring it bounces at least 3 or 4 times. Have it thrown back to me and put it back on the gun and shoot the same POA/POI. It does not loose zero. I will post pictures of this CompM4 as it is scarred up really bad. Numerous people have tried to buy it in the hopes they can get a deep discount because it's outward appearance is pretty scarred. However, I intend to purchase this optic for my own continued use as it has endeared itself to me because of its durability.
You could do this same "throw test" with a CompM3 in a quality LaRue mount and it might retain zero, but because of the 30MM ring that optic sits in you can't guarantee that the optic won't shift in the mount. Now this is a pretty harsh example of potential real world abuse. I still have my CompM3 with LaRue mount that I carried the last time in Iraq and it is a great optic in a great mount. But if purchasing a new Aimpoint sight I recommend the CompM4. As my father says, "You'll spend a dollar, trying to save a dime every time."
S/F
Senior Member
Freddie-Have you (or anyone you know) attempted the same test on an M4 with an LT mount?
"The very purpose of a Bill of Rights was to withdraw certain subjects from the vicissitudes of political controversy, to place them beyond the reach of majorities and officials and to establish them as legal principles to be applied by the courts." Justice Robert Jackson, WV St. Board of Education v. Barnette, 319 U.S. 624 (1943)
"I don’t care how many pull ups and sit ups you can do. I care that you can move yourself across the ground with a fighting load and engage the enemy." Max Velocity
Industry Professional
Paul,Originally Posted by Submariner
Why yes I have and the CompM4 with LT 1.535 Mount holds zero extremely well, withstanding the range toss abuse with monotonous reliability.
S/F
Member
Re Pat Rogers the M3 hands down. The M4 has problems with the mount at least it did in August.
Those who would give up essential liberty to purchase a little a temporary safety deserve neither liberty nor safety. Ben Franklin 1759
Member
Would the LaRue mount not rectify this?
Member
I believe the issues with the stock mount were that it came loose from the body after extended use.
LocTite was recommended.
I took that advice. So far so good, but not a big round count to verify, about 600 or so.
It mounts to the rail very solidly, no issues there.
Senior Member
Thanks, Freddie. Just convinced a friend to go the M4 route, quoting your paragraph above. And it wasn't just to snag his M2 at a good price.
Gotta stop bottom-feeding one of these days and get an M4.
"The very purpose of a Bill of Rights was to withdraw certain subjects from the vicissitudes of political controversy, to place them beyond the reach of majorities and officials and to establish them as legal principles to be applied by the courts." Justice Robert Jackson, WV St. Board of Education v. Barnette, 319 U.S. 624 (1943)
"I don’t care how many pull ups and sit ups you can do. I care that you can move yourself across the ground with a fighting load and engage the enemy." Max Velocity
Member
Uh.huh... surrrrreeee it wasn't.......And it wasn't just to snag his M2 at a good price.
Industry Professional
Username,
The issue with the CompM4 integral mount coming loose is that Aimpoint ships them tightened at the factory, but without loctite on the threads. This is because the CompM4 has a removable spacer so that the end user can adjust the height of the optic to the particular weapon system. With an M4 Carbine with fixed front sight then you need the spacer, if it is an HK 416 you don't need the spacer. Thus, Aimpoint didn't Loctite the bolts of the mount so that the end user could configure it the way they needed to use it.
That said, I agree with Pat that Aimpoint should have shipped it with a little tube of blue loctite like the way Mark LaRue does. Pat and I addressed this to the President of Aimpoint at Modern Day Marine and Aimpoint is solving this problem. Also, to note that once Pat put blue loctite on the bolts and retightened them the CompM4s all returned to zero with no adjustments to windage or elevation needed. You can confirm this with Pat if you like.
Often times there is more to the story than what is posted, most often in haste. Pat is a good friend of mine and keeps me well informed on any problems that he might experience with any of our Aimpoint sights. The issue with the loose integral mount bolts was a very minor problem and one that is/was easily resolved.
LAV has been running a CompM4 on his primary carbine, so has Dave Harrington, for the same amount of time as Pat and none have had any issues with them except the bolts loosing. However, I won't put words in to their mouths.
S/F
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