Surprise expressed by none'
About a year ago I picked up one of the on-sale cheap 30mm red-dots Sportsman's Guide was selling, just to try out on the M1 Carbine with the forward mount I'd put together. Worked really well.
Well, I went to the range today and first fired a couple of rounds at 50 yards just to check zero; about 2" high I thought, but centered on windage. So I moved the target to 100 and fired three. None of which even came close to the paper. Fired a shot at a clay pigeon on the backstop and saw dust jump about three bloody feet low. Not good.
Just to see if it could be adjusted I wasted about 20 rounds on it. Not only would it not hold zero, the adjustments would work and then not work. POI kept shifting all over the bloody place, by feet from one shot to the next, although one time it did put two damn close on the target, then went off to God-knows-where again.
I pulled the sight and fired a group with the iron sights, and it was hitting exactly where it should(as I'd expected), so I'll take the battery out of the sight and trash it*.
Considering the thing cost the grand total of $20, a year on the carbine isn't bad. So down the road a bit(bills right now, you know) I'll find a better-quality sight for it.
Oh, the $15 red-dot I stuck on the .22 pistol? It's still working fine; I'm guessing the greater recoil of the rifle had a definite part in this.
By the way, is there a rule somewhere that if you go to the range on a hot day that the wind will disappear the moment you set up? If I hadn't gotten there early I'd not have made it long, and even drinking like a camel after the road trip I damn near overheated.
*Yes, I HAVE to trash it, otherwise I'll keep fooling with the damn thing.
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