The Glock Ring

The Glock Ring

This is NOT to check the diameter of your barrel or anything else! Just to check if there is a bulge in your barrel.

Glocks method of checking the barrel is to remove the slide and push it the barrel hole and make sure it does not have a bulge. I wanted something I could use on barrels that are not installed without having to remove a slide.

This example is for 9mm Barrels. I measured several 9mm barrels and slides for Glocks and came up with 0.580 inch for the inner diameter. Because printers vary check before you use.

Barrel bulge checker 9mm 01
Barrel bulge checker 9mm 01

Just slide it over your barrel and check for a bulge. PLA is softer than the barrel so there should be no marring.

Barrel bulge checker 9mm 02
Barrel bulge checker 9mm 02

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All Documents posted on this site are for informational use only. If you make ANY modifications to your Weapons based on this site, you do at your own risk! If done incorrectly, you can render you weapon unsafe and / or unusable.

More HERE: https://viking-armory.com/?page_id=723

Present Arms Custom Receiver Alignment Block

My Present Arms Gunners Mount Kit is awesome. The one thing I wanted different was the Receiver Alignment Block. It does not seem to fit right on non-mil spec buffer tubes I work on. How can they know all the sizes?

You can see the gap here, it will not seat all the way.

Present Arms Receiver Alignment Block Original Bottom
You can see the gap here, it will not seat all the way.

And that is because the buffer tube rail is too wide.

Present Arms Receiver Alignment Block Original Top
And that is because the buffer tube rail is too wide.

So I do what I do and made one. Seats all the way down

So I do what I do and made one. Seats all the way down
So I do what I do and made one. Seats all the way down

And tightly fits the buffer tube rail

And tightly fits the buffer tube rail
And tightly fits the buffer tube rail

The metal rod it ¼ inch and I cut it down to just below the top.

The metal rod it ¼ inch and I cut it down to just below the top.
The metal rod it ¼ inch and I cut it down to just below the top.

Then topped it off with a couple of the included caps.

Then topped it off with a couple of the included caps.
Then topped it off with a couple of the included caps.

Hit us up with comments or questions

All Documents posted on this site are for informational use only. If you make ANY modifications to your Weapons based on this site, you do at your own risk! If done incorrectly, you can render you weapon unsafe and / or unusable.

More HERE: https://viking-armory.com/?page_id=723

Present Arms Sleeve

A sleeve to help hold your castle nut wrench firmly in place while cranking it down on your Present Arms Gunners Mount.

I can not claim this idea as my own, I was watching this video from School of the American Rifle and though “What a great idea”. I did not have any 1 ¼ inch PVC laying around, but I do have a 3D printer and PLA. This is what I came up with for the below wrenches.

Forward Controls:

Present Arms Buffer Tube Sleeve 05
A sleeve to help hold your castle nut wrench firmly in place Forward Controls
Present Arms Buffer Tube Sleeve 02
A sleeve to help hold your castle nut wrench firmly in place Forward Controls

Magpul:

Present Arms Buffer Tube Sleeve 03
A sleeve to help hold your castle nut wrench firmly in place Magpul
Present Arms Buffer Tube Sleeve 06
A sleeve to help hold your castle nut wrench firmly in place Magpul

Wheeler

Present Arms Buffer Tube Sleeve 04
A sleeve to help hold your castle nut wrench firmly in place Wheeler

Family Shot:

Present Arms Buffer Tube Sleeve 07
A sleeve to help hold your castle nut wrench firmly in place all 3

Present Arms on all sizes:

Present Arms Buffer Tube Sleeve 08
A sleeve to help hold your castle nut wrench firmly in place Present Arms

Hit us up with comments or questions

All Documents posted on this site are for informational use only. If you make ANY modifications to your Weapons based on this site, you do at your own risk! If done incorrectly, you can render you weapon unsafe and / or unusable.

More HERE: https://viking-armory.com/?page_id=723

Torque Values

My Torque Values:

AR Compensator (Flash hider) No Torque, timing value with the procedure in the Army TM. Hand tight and then tighten a minimum of 90 degrees but no more than 450 degrees to timing. Don’t over tighten, don’t loosen.

AR Barrel Nut 30 Ft. lbs. Minimum, not to exceed 80 Ft. Lbs. to align the next slot in the barrel nut. The 80 Ft. Lbs is not stated in the TM, but I don’t know how you would line up the gas tube, without going over 30 Ft. Lbs. Unless you use shims. I don’t think most folks will have any laying around. This torque spec is common across the community and internet.

AR Carrier Key Screws 50-58 INCH pounds torque

AR Lower Receiver Extension (Buffer Tube/Castle Nut) 40 Ft. lbs for both Rifle and Carbine.

M-LOK Accessories:

For attaching metal accessories to metal hand guards: 35 in/lbs

For attaching polymer or metal accessories to polymer hand guards: 15 in/lbs

For attaching polymer accessories to metal hand guards: 15 in/lbs

The installation torque values are not minimums, they are recommended limits. The nylon patch compound may slightly affect the torque reading if using an in/lb torque wrench.

Using a small hex wrench should prevent over-tightening. Remember that the recoil lugs are doing most of the work, and excessive torque on the nuts is not required

My Comments:

The rest of the items in the research below I could not find in the Army TM, manufacture website or in common reference. Until I can find it, I am going with ‘tight’ and the appropriate thread lockers. ‘Tight’ might be the values listed.

I am not saying that the info below is wrong or bad. I could not readily verify it. The above is what I will use, at the end of the day I am responsible for my decisions and you are responsible for yours.

########### RESEARCH ITEMS BELOW ###########

AR Compensator (Flash hider), 15-20 Ft. Lbs. Torque *1

AR Compensator (Flash hider) *3 (No Torque, timing value)

Army TM Flash Hider
Army TM Flash Hider

AR Handguard Screws, 20-30 inch pounds torque *1

AR Gas Block Set Screws, 25-30 inch pounds torque *1

AR Barrel Nut, 30 Ft. lbs. Minimum, not to exceed 80 Ft. Lbs. to align the next slot in the barrel nut. *1 *5

AR Barrel Nut, 30 Ft. lbs. *3 (I cant find the 80 Ft. Lbs. In the TM)

Army TM Barrel Nut
Army TM Barrel Nut

AR Carrier Key Screws, 50-58 INCH pounds torque *1 *2 *3

Army TM Gas Key
Army TM Gas Key

AR Grip Screw, 15-20 inch pounds torque *1

AR Lower Receiver Extension (Buffer Tube/Castle Nut)

Rifle: 35-39 Ft. Lbs. *1 *3

Army TM Lower Receiver Rifle
Army TM Lower Receiver Rifle

Carbine: 38-42 foot pounds *1 *3

Army TM Lower Receiver Carbine
Army TM Lower Receiver Carbine

M-LOK Accessories: *4

For attaching metal accessories to metal hand guards: 35 in/lbs

For attaching polymer or metal accessories to polymer hand guards: 15 in/lbs

For attaching polymer accessories to metal hand guards: 15 in/lbs

The installation torque values are not minimums, they are recommended limits. The nylon patch compound may slightly affect the torque reading if using an in/lb torque wrench.

Using a small hex wrench should prevent over-tightening. Remember that the recoil lugs are doing most of the work, and excessive torque on the nuts is not required

KeyMod Accessories: *1

Polymer to metal: 15 in-lbs

Polymer to polymer: 15 in-lbs

Metal to metal: 30 in-lbs

Picatinny Accessories: *1

Polymer to metal: 15 in-lbs

Polymer to polymer: 15 in-lbs

Metal to metal: 35-60 in-lbs

Ref:

*1 https://www.youtube.com/watch?v=Ah6WISs6IfY

*2 https://www.youtube.com/c/InstructorChad

*3 ARMY TM 9-1005-319-23&P Nov 2008

*4 https://www.dropbox.com/s/jrf9nwxnizjy6ql/M-LOK_Tips.pdf?dl=0 (Magpul MLOC instructions)

*5 https://www.youtube.com/watch?v=tcMqwofYTn0 (Brownells)

Hit us up with comments or questions

All Documents posted on this site are for informational use only. If you make ANY modifications to your Weapons based on this site, you do at your own risk! If done incorrectly, you can render you weapon unsafe and / or unusable.

More HERE: https://viking-armory.com/?page_id=723

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