play between upper and lower

I think there was a post about this a couple days ago (along with dozens of others over the past year)... no, not a problem at all.
 
Better to be too loose than too tight.

haha....

But no really. I had one that I had to fight with every single time I wanted it open.

I am sure someone out there believes that makes it shoot better, but I dont really care. I am not shooting the wings off of humingbirds.

My preference is to have a fit that is just loose enough that you dont need any tools to get the pin out.
 
Look into your lower, lots of good quality lowers have a adjuster than can take that slack out.

You take the handgrip off and the adjuster is loosened or tightened with a allen key.
 
Not a factor.

The Scope and barrel are on the upper, not a thing that affects accuracy is affected by some play in the upper and lower.

Accu-Wedges and Tensioning System hurt the gun more than help.
 
KevinB said:
Not a factor.

The Scope and barrel are on the upper, not a thing that affects accuracy is affected by some play in the upper and lower.

Accu-Wedges and Tensioning System hurt the gun more than help.
Click to expand...

Kevin

What is your opinion of LMT rifles from the last 12 months? I heard a few places that the quality dipped for awhile when they had a huge back log of orders. I have a couple of them and they are ok.
 
How come? Say you have a bipod on your front rail which is of course attached to your upper and shooting from a bench that touches the handgrip. Couldnt that little slop affect your shot?

Accu- wedge I can as a gimmick but a tensioning screw could be adjusted perfectly to make up differences between manufacturing.



KevinB said:
Not a factor.

The Scope and barrel are on the upper, not a thing that affects accuracy is affected by some play in the upper and lower.

Accu-Wedges and Tensioning System hurt the gun more than help.
Click to expand...
 
How ?

:ar15:
KevinB said:
Not a factor.

The Scope and barrel are on the upper, not a thing that affects accuracy is affected by some play in the upper and lower.

Accu-Wedges and Tensioning System hurt the gun more than help.
Click to expand...

How do they hurt the gun ?

:ar15:
swingerlh.gif
 
This kind of question always pops up here every month.

Mine uses popular cheap "o-ring" trick. ;)

O-RingonARUpper.jpg


Here is the o-ring size: 2-014 or 1/2" ID w/ .070" cross section dia; you can buy it from hardware stores. :)

Walt S.
 
Gunnerlove said:
Extra wear to the recievers as the rear pin is always under tension as the pin is pushed/hammered in and out.
Click to expand...

Funny - I have an AR vietnam era 16" carbine that I have had for at least 30 years and many thousands of rounds - with a rear rubber wedgie (we used rubber erasers from a pencil back then)

Dont see any wear at all on the pin, hole, receiver or anywhere - ?

:ar15:
swingerlh.gif
 
Info came from a Colt Canada armourer who said they only install them at customers request/demand.

Don't forget that a weapon in military service can be torn down dozens of times per day for years when used for training. Not to be a #### but let me know how your recievers holds up after you burn through a few barrels.
 
If you dont wear out pins and holes by tearing down dozens of times a day, An O ring or wedge would be a non issue as regards to wear for civvie shooters.

If you burn out several barrels, an O ring or wedge would be the least of your concerns ! :rolleyes: ;)

But you can damage your receiver hole slightly with a JP adjustable tension pin by using the wrong size screwdriver when tightening it.

:ar15:
swingerlh.gif
 
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