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XM148 Grenade Launcher

Started by mestre , Jul 19 2008 05:31 AM

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#1 mestre

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Posted 19 July 2008 - 05:31 AM

XM148 Grenade Launcher

http://i225.photobucket.com/albums/dd297/armeiro1/1499-8.jpg

...can someone post the XM148 Grenade Launcher manual?
Thank you.

#2 mestre

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Posted 19 July 2008 - 05:44 AM

...a manual image from the web...
1be39b587eb69baab7dd8a8bccc70d0e.jpg

manual:TM 9-1005-249-14: Rifle 5.56mm XM16E1 (M16) and Launcher, Grenade, 40mm, XM-148

Edited by mestre, 19 July 2008 - 05:52 AM.


#3 mestre

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Posted 19 July 2008 - 09:14 AM

30357618ts2.jpg

...m16a1 with "experimental" grenade launcher...from... http://www.militech....gran/index.html
_gran_18.jpg

#4 Mr-X

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Posted 19 July 2008 - 09:32 PM

Here is a good pic of the right hand side
http://i255.photobucket.com/albums/hh145/leighm25a/74904602fa0.jpg

#5 Mr-X

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Posted 19 July 2008 - 09:35 PM

Here is one mounted on an XM-177
http://i255.photobucket.com/albums/hh145/leighm25a/wwwzsog20xm148_edited.jpg

#6 Mr-X

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Posted 19 July 2008 - 09:39 PM

mounted on an Australian SAS L1A1 SLR with 30rd Mag fitted.
http://i255.photobucket.com/albums/hh145/leighm25a/aussasuo5_edited.jpg

#7 Mr-X

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Posted 19 July 2008 - 10:17 PM

Another pic to prove how much the Australian SAS loved the XM-148 (and how crazy they were)
here is a Silenced Sterling SMG with one mounted. Sorry about the poor pic quality.
http://i255.photobucket.com/albums/hh145/leighm25a/1a274wx5_edited.jpg

Edited by Mr-X, 19 July 2008 - 10:18 PM.


#8 copdoc

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Posted 21 July 2008 - 06:36 PM

I thought I had a manual but can not find it. What did you want to know about it. It is called the CGL-4 by Colt. I think some of the manuals have that designation. Try a searching CGL-4.

#9 mestre

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Posted 22 July 2008 - 02:37 AM

I thought I had a manual but can not find it. What did you want to know about it. It is called the CGL-4 by Colt. I think some of the manuals have that designation. Try a searching CGL-4.


...can you scan the images from it?
Thank you.

#10 45B20

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Posted 22 July 2008 - 04:46 PM

During 1967-68, I was a Small Arms Repairman in Vietnam (Viet Nam). I attended two different training classes given by Colt Reps. The XM148 was one of the weapons covered. The Colt people were not happy about the XM148, they said that the Defense Department (McNamara’s kids) had insisted that it be fielded.
The Colt people said it was only a test bed and was not nearly developed enough for service use. And it did have its problems, that extended trigger was one of the first things to go.

We worked on a few experimental 40mm grenade launchers. One, would be what is generically refer to as a harmonica gun. It had 3 chambers (magazine) that slid horizontally. This launcher was based on the M79, the chambers were pushed all the way to the left under spring tension, and as each round was fired the next chamber would move to the right, aligned with the firing pin and the barrel, giving three quick rounds. My impression was that this was only a concept test and not intended to be place in large scale production.
After little use, the catch (alignment stop) that would stop and align the second chamber would fail and after firing the first round, the chambers (magazine) would go all the way to the right, that third round could be fired, however you would have to manually align the second chamber so that that round could also be fired.

One of the other weapons covered was the M16 Rifle series and their problems, and the upcoming upgrade to the M16A1 and the XM177E1, from the XM16E1 and CAR15.

45B20

#11 copdoc

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Posted 22 July 2008 - 06:27 PM

...can you scan the images from it?
Thank you.


Looked again and can not find the manual. What in particular do you need to know or see? I googled CGL-4 and saw manuals for sale for $20.00.


45B20
Here is one of your babies, T148E1 "harmonica gun" 40mm in rapid fire. There were pumps and semi autos also. You must have had fun builing them. Pretty neat. I never got to fire it.

Posted Image

#12 Mr-X

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Posted 22 July 2008 - 06:36 PM

http://i255.photobucket.com/albums/hh145/leighm25a/sealgrenadelaunchersc8.jpg

#13 Mr-X

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Posted 22 July 2008 - 06:37 PM

http://i255.photobucket.com/albums/hh145/leighm25a/sealpumpm79ks1.jpg

#14 Mr-X

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Posted 22 July 2008 - 06:37 PM

http://i255.photobucket.com/albums/hh145/leighm25a/sealweaponslu0.jpg

#15 mestre

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Posted 23 July 2008 - 02:21 AM

During 1967-68, I was a Small Arms Repairman in Vietnam (Viet Nam). I attended two different training classes given by Colt Reps. The XM148 was one of the weapons covered. The Colt people were not happy about the XM148, they said that the Defense Department (McNamara’s kids) had insisted that it be fielded.
The Colt people said it was only a test bed and was not nearly developed enough for service use. And it did have its problems, that extended trigger was one of the first things to go.

We worked on a few experimental 40mm grenade launchers. One, would be what is generically refer to as a harmonica gun. It had 3 chambers (magazine) that slid horizontally. This launcher was based on the M79, the chambers were pushed all the way to the left under spring tension, and as each round was fired the next chamber would move to the right, aligned with the firing pin and the barrel, giving three quick rounds. My impression was that this was only a concept test and not intended to be place in large scale production.
After little use, the catch (alignment stop) that would stop and align the second chamber would fail and after firing the first round, the chambers (magazine) would go all the way to the right, that third round could be fired, however you would have to manually align the second chamber so that that round could also be fired.

One of the other weapons covered was the M16 Rifle series and their problems, and the upcoming upgrade to the M16A1 and the XM177E1, from the XM16E1 and CAR15.
P_MUSEUM_SERVICES_IMAGES_OBJECT_IMAGES_2001_2500_2366A.jpg


45B20


Edited by mestre, 23 July 2008 - 02:23 AM.


#16 45B20

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Posted 24 July 2008 - 04:32 PM

Thank you gentlemen for the photos, yes that T148 looks like the one. I certainly never built one, just worked on them while they were being taken around to different organizations to be demonstrated . I never saw more than two at any one time. Not sure why the Colt reps would be demonstrating them, the T148 looks to be a Springfield development. Of course given the forty years and my memory, there could have been more people to this ’dog and pony show’ than I can remember. I do not remember ever seeing the pump.

I fired it on three occasions, once as a demonstrator. All thee rounds could be in the air at once.
However, if you place this “harmonica gun” and a M79 with three rounds each, on a table or sandbag, both grenade launchers could get the three rounds off in about the same time span.

45B20

#17 copdoc

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Posted 25 July 2008 - 02:48 AM

Opps Left out the big pic. I took these in the SC national Guard Museum. There is the side loading Philco Ford in the pic.

if you place this “harmonica gun” and a M79 with three rounds each, on a table or sandbag, both grenade launchers could get the three rounds off in about the same time span.

That would be a good reason not to adapt it. Hard to beat the old M79.

Posted Image

#18 Spike

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Posted 25 July 2008 - 11:59 AM

I have 2 pics of a XM148 mounted on a tree branch, when I get home in the next few days I'll find them.

#19 mestre

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Posted 05 February 2009 - 12:02 PM

...can someone post scan images of the XM-148 grenade launcher,in this manual?
XM148_Manual.JPG
...for the ones who have it... :rolleyes:

Thank you.

#20 Constabulary

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Posted 05 June 2009 - 05:59 AM

...can someone post scan images of the XM-148 grenade launcher,in this manual?
...for the ones who have it... :rolleyes:

Thank you.


I recently came across a case for the XM148 sight.
Can you check if such a pouch shows up in the manual?
I never have seen this pouch before :blink:

See pictures:

http://i67.photobucket.com/albums/h296/after-the-battle/Forum%20Pics/IMG_1383.jpg

http://i67.photobucket.com/albums/h296/after-the-battle/Forum%20Pics/IMG_1384.jpg

http://i67.photobucket.com/albums/h296/after-the-battle/Forum%20Pics/IMG_1385.jpg

Edited by Constabulary, 05 June 2009 - 06:00 AM.



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