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Posted: 3/22/2003 3:08:22 PM EDT
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I just got a TA-50 compact ACOG which only has 1.5" eye relief. It is mounted on a fixed carry handle AR-15. The problem is that to look through it, it is necessary to get the eye extremely close to the scope. The scope is attached in the middle of the carry handle using a screw. This puts the lens too far foward to hold the gun comfortably. I have to place the stock against my upper arm and lean forward instead of against the sholder. What is the best solution to solve this? I need to reduce the length of the stock about an inch or two I believe. It seem that a collapsible stock would be perfect. However, this is a post ban gun so I don't believe it is legal. Would a pinned collapsible stock that is 2 inchs shorted than the regular stock be the way to go? Can I buy a shorter stock for a reasonable price that would solve the problem? I really like the scope but this is a problem I think others may also have had. |
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Cut your losses now and sell, I mean send it to me! You could look into the RRA entry stock or the A1(not sure how much shorter the A1 is) The entry should be 3" shorter. If it's too short, Knight's makes a nice 1" spacer and has a sling swivel. That would be a nice set up, and should cure the eye relief issue. Mark |
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Someone posted here a few weeks back with a pic of a TA-50 mounted farther back. I think he drilled another hole in the carry handle or he drilled another hole in the sight and tapped it for the screw. My ta-50 is on a flattop, but I tried it out on a carryhandle first. It wasn't right for me either. When I saw his post I made a mental note that if it ever went back on a carryhandle I was going to "adjust the holes for proper eye relief. I wouldnt want to shorten the stock because in order to get the right eye relief my nose was firmly touching the back of the carryhandle. I'm destracted enough while shooting without bonking my nose every shot. My.o2 |
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I was able to remove the attaching screw and slide the unit back 1.15 inchs. It was hard to slide the unit back because the channel in which is sits may be a little tapered. However, I started to drill a new hole and believe the carry handle is forged instead of stamped steel so stopped. Does this make any difference as far as being able to drill a hole? I think I heard once that you cannot drill cast iron. Is this the same thing? I don't know very much about drilling or metal but do know there is a difference in forged metal and steel. The reciever is by Armalite and I believe they advertise that it is forged. Does this make any differce or should I just use a regular drill to make a hole? The link reference was very helpful and that is what I want to try. That is, drilling a new hole in the carryhandle but without going as far as threading a new hole in the ACOG. |
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I've never had an Armalite but every brand a2 upper I've ever had was aluminum.(Colt, Bushmaster) It should not be a problem as long as the hole is centered and is the right size. I would recomend starting with a small bit first, then larger bits until its the size you want. Oh, when you mark where you want the hole use a punch to mark the spot, so the bit doesnt walk around on you. Remember the old carpenters saying, "measure twice, cut (or drill) once". If you feel uncomfortable doing it, then I'd check around for a gunsmith or a machine shop to do it for you. They would'nt charge much for a hole and these rifles are expensive. |
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I drilled a new hole and it works alot better. The handle was in fact aluminum which was easy to drill. It was difficult to get the whole in the center but I just kept increasing the size until the screw fit. It is still a little tight looking through the scope but is very much better than before and looks pretty good. |
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