AR15 Delta Rings Not Tight Enough!

VUPDblue · January 7, 2006, 04:33 PM

I have an EOTech mounted on a 4 rail mount on my M4. Problem is that the Delta Ring does not hold the forend on tight enough. The forend can twist a little (less than 1 degree) especially when I have the front vertical forend attached. Does anyone have any suggestions on keeping the forend from rotating? Any help will be GREATLY appreciated!

The British Soldier · January 7, 2006, 06:01 PM

Have you tried putting some brass shim underneath the engaged surfaces? It might just give the ring enough to bite on to get tight.

HGKosteck · January 7, 2006, 06:09 PM

..are good advice at this point.

Personally, if a part isn't tight when I buy it, I return it.

Shims scare me....At least on any weapon I might be depending on, since I use my M4gery for almost every application. HD, Trunk gun, ranch gun...etc.

DaveH · January 7, 2006, 06:40 PM

What forend are you using?

VUPDblue · January 7, 2006, 06:54 PM

the forend that I have on now is a Samco. However, the original and the GG&G have the same problem. It is not so much the fit and finish that is the problem, I think it is the design in general. I will go out and give a couple shims a try and see if that helps any...

VUPDblue · January 7, 2006, 09:20 PM

shims made it a little better, but THERE HAS TO BE A BETTER WAY!

The British Soldier · January 8, 2006, 10:37 AM

Despite the obvious 'shim-phobia' going on here, they are an accepted engineering practise to tighten things up.

PythonGuy · January 8, 2006, 10:43 AM

Have you asked this question on AR15.com? They are the mavens on this weapon.

VUPDblue · January 8, 2006, 11:04 AM

no, I havent asked anywhere but here. Thanks for suggesting it though. I will give them a try.

yorec · January 8, 2006, 02:11 PM

'tis the nature of a standard forend. Try a freefloater with rails.

January 7, 2006, 04:33 PM	#1
VUPDblue Senior Member Join Date: December 18, 2005 Location: Central Indiana Posts: 1,981	AR15 Delta Rings Not Tight Enough! I have an EOTech mounted on a 4 rail mount on my M4. Problem is that the Delta Ring does not hold the forend on tight enough. The forend can twist a little (less than 1 degree) especially when I have the front vertical forend attached. Does anyone have any suggestions on keeping the forend from rotating? Any help will be GREATLY appreciated! __________________ Silencers have NEVER been illegal !

January 7, 2006, 06:01 PM	#2
The British Soldier Senior Member Join Date: October 9, 2005 Location: England...that green and pleasasnt land. Posts: 295	Have you tried putting some brass shim underneath the engaged surfaces? It might just give the ring enough to bite on to get tight. __________________ Mike When you're wounded and left on Afghanistan's plains And the women come out to cut up what remains Just roll to your rifle and blow out your brains An' go to your Gawd like a soldier. Rudyard Kipling.

January 7, 2006, 06:09 PM	#3
HGKosteck Member Join Date: December 30, 2005 Posts: 61	Shims.. ..are good advice at this point. Personally, if a part isn't tight when I buy it, I return it. Shims scare me....At least on any weapon I might be depending on, since I use my M4gery for almost every application. HD, Trunk gun, ranch gun...etc.

January 7, 2006, 06:54 PM	#5
VUPDblue Senior Member Join Date: December 18, 2005 Location: Central Indiana Posts: 1,981	the forend that I have on now is a Samco. However, the original and the GG&G have the same problem. It is not so much the fit and finish that is the problem, I think it is the design in general. I will go out and give a couple shims a try and see if that helps any... __________________ Silencers have NEVER been illegal !

January 7, 2006, 09:20 PM	#6
VUPDblue Senior Member Join Date: December 18, 2005 Location: Central Indiana Posts: 1,981	shims made it a little better, but THERE HAS TO BE A BETTER WAY! __________________ Silencers have NEVER been illegal !

January 7, 2006, 06:40 PM	#4
DaveH Member Join Date: November 24, 2000 Posts: 69	What forend are you using?

January 8, 2006, 10:37 AM	#7
The British Soldier Senior Member Join Date: October 9, 2005 Location: England...that green and pleasasnt land. Posts: 295	Despite the obvious 'shim-phobia' going on here, they are an accepted engineering practise to tighten things up. __________________ Mike When you're wounded and left on Afghanistan's plains And the women come out to cut up what remains Just roll to your rifle and blow out your brains An' go to your Gawd like a soldier. Rudyard Kipling.

January 8, 2006, 10:43 AM	#8
PythonGuy Junior member Join Date: November 4, 2004 Location: Long Island, NY Posts: 456	Have you asked this question on AR15.com? They are the mavens on this weapon.

January 8, 2006, 11:04 AM	#9
VUPDblue Senior Member Join Date: December 18, 2005 Location: Central Indiana Posts: 1,981	no, I havent asked anywhere but here. Thanks for suggesting it though. I will give them a try. __________________ Silencers have NEVER been illegal !

January 8, 2006, 02:11 PM	#10
yorec Senior Member Join Date: February 2, 2000 Location: Wyoming Posts: 2,328	'tis the nature of a standard forend. Try a freefloater with rails. __________________ What part of "... shall not be infringed..." don't you understand?