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AR15.COM
3/23/2017 9:56:45 PM EDT
Sent a 18" Stealth to Adco for some Mod H love.

Turned out great, just waiting for my rings to get the Leupy mounted up and test it out.

Surely not the first LT barrel MK12 out there...







3/24/2017 1:28:18 AM EDT
[#1]
Very nice! I may grab a LT barrel from EE and do the same.
3/26/2017 4:27:09 PM EDT
[#2]
What did they change?
3/26/2017 7:51:28 PM EDT
[#3]
The main items are profiling the end of the barrel to take the Op's/AE collar that has to be custom turned from a blank due to the smaller diameter of the Stealth out ahead of the gas block as compared to the AE specs. Also had them blast the barrel, and the color turned out better than I expected.

In this case I sent an 18" so that they had plenty of barrel at the end to try to match up the specs from the muzzle to the shoulder before proceeding with the contour for the collar.
3/26/2017 8:00:36 PM EDT
[#4]
What's the collar for?
3/26/2017 8:28:55 PM EDT
[#5]
Awesome! I have been thinking of doing the same thing with my 18" Stealth. Looks good! How much did that run you?
3/26/2017 9:39:20 PM EDT
[#6]
Quote History
Quoted:
What's the collar for?
View Quote
Allen Engineering AEM5 reflex can, which is the available version of the Ops Inc issued units.
3/26/2017 9:42:14 PM EDT
[#7]
Quote History
Quoted:
Awesome! I have been thinking of doing the same thing with my 18" Stealth. Looks good! How much did that run you?
View Quote
Just over 2 bills total. Not the most economical Mod H barrel, but I love how it turned out and can't wait to shoot it!
3/26/2017 9:50:58 PM EDT
[#8]
Quote History
Quoted:
Allen Engineering AEM5 reflex can, which is the available version of the Ops Inc issued units.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
What's the collar for?
Allen Engineering AEM5 reflex can, which is the available version of the Ops Inc issued units.
interesting
3/26/2017 11:01:35 PM EDT
[#9]
Looks good. I might have to do this whenever I build my SPR's
4/1/2017 4:24:47 PM EDT
[#10]
Quote History
Quoted:
Allen Engineering AEM5 reflex can, which is the available version of the Ops Inc issue
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
What's the collar for?
Allen Engineering AEM5 reflex can, which is the available version of the Ops Inc issue
Attached File
4/15/2017 9:31:49 AM EDT
[#11]
Scope mounted and out to the range yesterday for first rounds and sight in.

Results were very promising with 69 SMK's and a standard load of 8208 XBR. Can't wait to fine tune and get a run at the MOA All Day challenge with it.



4/15/2017 11:30:54 AM EDT
[#12]
Spikes Tactical Suppressor system is a reflex design that uses a similar collar on the barrel.  Good to see that the adapting can be done with LT barrels.  If you don't mind answering, what's the ballpark total for that barrel rework?
4/16/2017 11:25:39 AM EDT
[#13]
Quote History
Quoted:
Spikes Tactical Suppressor system is a reflex design that uses a similar collar on the barrel.  Good to see that the adapting can be done with LT barrels.  If you don't mind answering, what's the ballpark total for that barrel rework?
View Quote
Cut/crown/thread, profile for the collar, turn new collar from a blank (due to smaller diameter of the barrel than the original drawing called for), and bead blast the barrel set me back a little over two bills with shipping.