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M3E1 Recoilless Rifle: Need Training Information?
By | June 10, 2021
Soldiers, if you have an M3E1 recoilless rifle and are looking for information, look no longer. Read about the go-to source for information...

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M16s / M4s: Advice from Ft Leonard Wood
By | May 12, 2021
This article initially appeared in PS 761 (Apr 16), p. 40-42. Dear Editor, We repair the small arms at the Ft Leonard Logistics Readiness Center (LRC). We think these suggestions on the M16 rifle and M4/M4A1 carbine will help...

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M16s / M4s: Firing Pin Not for Cleaning!
By | May 12, 2021
This article initially appeared in PS 765 (Aug 16), p. 37. Dear Editor, Our Logistics Readiness Center told us they are finding a high number of M16s and M4s with unserviceable firing pins. The pins’ tips are blunted and...

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M16-Series Rifle, M4/M4A1 Carbine: Catch Loose Barrels and Mounting Rails!
By | March 11, 2021
This article initially appeared in PS 759 (Feb 16), p. 40. Dear Editor, From our experience taking care of M16s and M4s at Camp Beauregard, we recommend Soldiers pay special attention to these two checks:...

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M16-Series Rifle, M4/M4A1 Carbine: Dry Up Dry Firing
By | March 11, 2021
This article initially appeared in PS 759 (Feb 16), p. 39 Dear Editor, the M16/M4’s TM 9-1005-319-10 is very clear about the clearing procedure. For the specific steps to follow, read this article...

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M16-Series Rifle, M4/M4A1 Carbine: Firing Stoppage? Try C-SPORTS!
By | Feb. 18, 2021
This article initially appeared in PS 763 (Jun 16), p. 40. Dear Editor, I saw on Page 44 of PS 755 (Oct 15) the suggestion from Scott Taylor about dealing with an M16/M4 firing stoppage. An easy way to remember this is the...

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M4 Carbine: Enhanced Function Check Reminder
By | Sept. 30, 2020
Dear Half-Mast, After receiving 30 M4A1 carbines from a lateral transfer, the gaining unit requested a service-upon-receipt inspection. This service, which should be conducted when receiving equipment from a transfer,...

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M16-Series Rifle & M4 Carbine: Carrier Key Screw Ordering Advice
By | Sept. 14, 2020
If you’re trying to order the carrier key screw, NSN 5305-00-992-7284, and it’s being cancelled, here’s why. There’s an error in the DLA system, and they’re working to fix it. Until then, order the next higher assembly...

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M4 Carbine: Looking for the Missing BUIS NSN?
By | April 2, 2020
The M4 back-up iron sight (BUIS) NSN was mistakenly left out of WP 0040 of TM 9-1005-319-23&P (Apr 19). But the NSN will be added to the TM when it gets updated. ...

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M16-Series Rifle, M4/M4A1 Carbine: Rifle Charging Handle NSN?
By | March 9, 2020
Dear Half-Mast, When I went through the new version of the M16 rifle/M4 carbine’s TM 9-1005-319-23&P (Apr 19), I found no NSN listing for the M16/M4 charging handle in WP 0040-12. Can you help me out?...

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M16-Series Rifle, M4/M4A1 Carbine: Food for Feeding Thought
By | Feb. 21, 2020
Dear Editor, I recently helped a unit with their pre-mobilization training. I noticed several instances of M16-series rifle and M4/M4A1 carbine misfires because of how the weapons were loaded...

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Small Arms: New Barrel Erosion Gage Measures Different Rounds
By | Feb. 21, 2020
What rounds you fire through your M16 rifle or M4/M4A1 carbine make a difference in barrel erosion.  That’s why the Army is fielding a new bore erosion gage, NSN 5220-01-676-3452...

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M4 Carbine: How to Clear an ‘Above the Bolt’ Cartridge Jam
By | Feb. 13, 2020
Soldiers, ever needed to fix a jam on your M4 carbine? If the round is stuck above the bolt, you have a bad magazine. Here's how to deal with the jam...

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M16-Series Rifle and M4/M4A1 Carbine: Leave Rail, BUIS Alone
By | Feb. 11, 2020
Sometimes it’s better just to leave things alone. Certainly that’s the case with the M16 and M4/M4A1’s mounting rail and backup iron sight (BUIS). ...

M16-Series Rifles, M4/M4A1 Carbine: Solving Loose Lever Mystery
By | Nov. 18, 2019
Dear Editor,We’ve had a problem at Ft Leonard Wood with the M16 and M4’s right-side fire control selector lever working loose and sometimes disappearing.   We suspect the reason is from armorers forcing the weapons to fit...