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USGI Combo Tool Uses

This is a discussion on USGI Combo Tool Uses within the The M14 forums, part of the M14 M1A Forum category; Does anyone have the original manual that is legible to read or instructions for all the functions of the combo tool? Has anyone discovered other ...


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Old April 12th, 2010, 11:59 AM   #1
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USGI Combo Tool Uses

Does anyone have the original manual that is legible to read or instructions for all the functions of the combo tool? Has anyone discovered other functions for the tool other than what was intended by the military? That is to say, pertaining to use on the M14, or M1, not working on your hot rod or twisting fence wire. Things like the 10 holes in the end, Why? weight concerns? Diameter and scalloped end at wide end, Why?

Another thing I couldn't figure out, is why they didn't simply put two teets on the small end to remove liner screws, seems it would have been an easy thing to do, has anyone done something similar to theirs. Also what is the small scalloped looking w in the small end for?

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Old April 12th, 2010, 12:06 PM   #2
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AFAIK, the blade can be used as a screwdriver to turn on/off the gas system and tighten/disassemble the rear sight assembly. The hex slot is for the gas plug removal (no brainer). The assembly serves as a handle for the cleaning rod and the loose threaded area can be inserted into the hole in the trigger group to give leverage in unlatching the trigger guard.


The grooves in the small end are used for removing the extractor. You push in against the bolt face and rotate the tool. It will push in the ejector and push out the extractor.

These are all the uses I know of, although there may be more.

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Old April 12th, 2010, 12:19 PM   #3
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Uses

Oh, I thought the little blade that is loosely riveted in the small end was for the extractor removal. Good thing I didn't try it before asking, I usually just use a 30-06 shell and block of wood, I read the thread about the M10 tool and did a complete search for combo tool first, before posting this. I just want to make sure I have all uses figured out. Still can't figure out the depressions in the big end diameter, almost as if it is intended to go on something round, like locking the corners of a log cabin together when stacking logs.

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Old April 12th, 2010, 01:11 PM   #4
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Another thing I couldn't figure out, is why they didn't simply put two teets on the small end to remove liner screws, seems it would have been an easy thing to do, has anyone done something similar to theirs. Also what is the small scalloped looking w in the small end for?
That one is quite simple. Removal of the stock liner was not operator maintenance. Those maintenance personnel that were authorized, had the proper tools.

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Old April 12th, 2010, 01:15 PM   #5
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Another thing I couldn't figure out, is why they didn't simply put two teets on the small end to remove liner screws, seems it would have been an easy thing to do,
FM 23-8 states that the "individual soldier" is not authorized to disassemble his M14 any further than field stripping. What he is and isn't authorized to do is outlined in the same manual in Chart 1.Disassembling the stock liner screws is limited to Ordnance Personnel according to this chart.

I believe that the combination tool was purposely designed with these limited uses in mind.

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Old April 12th, 2010, 01:37 PM   #6
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Still can't figure out the depressions in the big end diameter, almost as if it is intended to go on something round, like locking the corners of a log cabin together when stacking logs.
You are on the right track. That large end is used for pushing rounds from the 5 round stripper clips into the magazine. I guess if you're loading lots of them, it saves wear and tear on your thumb.

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Old April 12th, 2010, 01:41 PM   #7
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Diameter and scalloped end at wide end, Why?
The scallop at the handle end is for using it to push cartridges into the magazine when using the magazine stripper clip attachment.

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Old April 12th, 2010, 01:42 PM   #8
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Smile Combo Tool Use

One thing not mentioned is the concave shape of the large end which is used to push rounds off the stripper clip into the magazine. I guess they were trying to save wear and tear on the thumb. The many holes are of course to make the 7790769 assembly lighter. As combination tools go, this thing is only marginally useful. I keep one in my tool kit just to use as a gas plug wrench since I wouldn't be caught dead using a GI cleaning rod.

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Old April 12th, 2010, 03:47 PM   #9
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use

Ok, thanks men. So far we have 7 distinct and different uses, to include:
1. Spindle Valve Key
2. Rear Sight Screws
3. Gas Plug Wrench
4. Handle For Cleaning Rod
5. Trigger Guard Release Tool
6. Bolt Disassembly Tool
7. Stripper Clip Loading

Anything else? Is the oiler to big to fit in the large hole end of the tool? Could it be for patches storage?

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Old April 12th, 2010, 04:07 PM   #10
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One thing not mentioned is the concave shape of the large end which is used to push rounds off the stripper clip into the magazine.
The Ol' Sarge mentioned it 2 posts up.

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Old April 12th, 2010, 04:16 PM   #11
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Anything else? Is the oiler to big to fit in the large hole end of the tool? Could it be for patches storage?
The chamber brush fits into the the end of the tool when stored in the buttstock. The oiler then fits in behind it.

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Old April 12th, 2010, 04:34 PM   #12
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Thanks ten, suppose to know this and have a video, be derned if i can find it.

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Old April 12th, 2010, 05:16 PM   #13
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FM23-8 shows how the rod sections and the combo tool and oiler fit into the butt.

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Old April 12th, 2010, 06:16 PM   #14
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They seem to make pretty good paper weights.

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Old April 12th, 2010, 06:27 PM   #15
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tool

the large hole is to insert a chamber cleaning brush for storage in the stock

sorry for the late posting didnt read all the post


Last edited by gunnutbmg; April 12th, 2010 at 06:31 PM. Reason: jumped the gun
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