I have a technical question that I haven’t been able to find by searching. I’ve zeroed my 14.5, carbine-gassed system from the bench at 50 yards and my front sight post protrudes above front ears and the base of the front sight post itself sits about 2 millimeter above the screw hole (pardon me for not knowing the exact terminology) that the site goes in to. The entire front sight post sits almost out of the hole.
It is an F-Marked front sight base and my backup sight is a standard Troy. I absolutely co-witness with an EoTech but I’m just wondering if this is something worth sending it back to the manufacturer over? The carbine original had to go back because they forgot to pin the gas block but they fixed it in a jiffy. Just live with it or send it back for warranty work? Is there any worry about knocking the front site blade off since it’s not really fully protected by the ears?
I zeroed the irons first, and then cranked the Eotech to match it.
I guess I should have worded myself differently. I guess what I am getting at is do you know how to shoot and are you sure that it wasn’t something you were doing?
Me do something wrong? Of course. In fact, I’ve assumed it’s user error rather than the carbine.
I’m using Wally World Federal 55 grain.
The target is just what they offer at the local range, standard NRA slow rifle/target targets I believe. I am basically aiming point of aim at 50 yards and setting point of impact for point of aim.
It is a BCM 14.5-inch, BCM4 (upper and lower) with a standard Troy backup site.
I’m mostly a pistol guy and I admit I’m not used to an aperture sight, but I did have my friend fire it who is fairly good with a rifle but he is an M1A guy. The groups at 50 yards, I’m happy with. I’m just wondering if its me or the sight on this.
Did you zero the front site post to that, or is that as low as it will go? My guess, if you zero’d to that position is that you did it incorrectly. Did you start with the base flush to the surrounding site base?
In the event that is as far down as it will go, then it needs to be sent back.
I would use a target designed to 50 yard zero’ing, so the grid is marked with 1/2 MOA grid, so your clicks will correspond, if that doesn’t get you close, you are likely doing something wrong.
No insult. I don’t think any newb should be offended by such question but I am using the aperture to center the front sight post.
I am going to assume that I must have just fucked this whole thing up from the beginning and start over from zero again. I will set the front sight post to flush with the base of the front sight post well, and adjust for elevation at 50 yards with some of the Lake City / Federal XM193 I have. I believe at 50 yards, that it should be point of aim should be point of impact with XM193 and that will give me a 200 meterish zero.
And yes, that is the correct Troy BUIS I have. It came on the carbine from a very reputable supplier so I’m sure it’s not a knock off.
I’ll try to break away to the range in the next couple of weeks to see if I haven’t just been frakking this thing up myself.
I did finally find something similar here but there was no solution posted…It sounds like it’s most likely a newb problem? I did notice that the smaller aperture’s point of impact changes from the large aperture too so we’re both likely doing the same thing.
