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Posted: 6/23/2012 4:34:56 PM EDT
Thru the incredible generosity of one of our members,(THANK YOU) I was given this rare experimental plastic M16 mag. It is however damaged,but WELL worth keeping. The feed lips are cracked and parts of them missing,and the tabs that would hold the floor plate are gone. My thoughts are to maybe clip off a couple of loops from the spring,assemble it all,then glue the floor plate in place. I'm thinking cutting the spring will reduce tension and prevent the follower from wanting to push thru what's left of the feed lips. OR,do I just leave it alone?? View the pics,and,what say the hive??? TIA.


Link Posted: 6/23/2012 4:38:29 PM EDT
[#1]
[SNL] You could keep your weed in it man... [/SNL]
Link Posted: 6/23/2012 4:49:06 PM EDT
[#2]
That isn't what I was expecting to see when I read "prototype".  Very neat stuff.

Link Posted: 6/23/2012 4:56:09 PM EDT
[#3]
keep it in pieces. dont cut it up, but if keeping it together will break it more, dont do that either
Link Posted: 6/23/2012 4:57:41 PM EDT
[#4]
i would leave it alone at risk of damaging it further.

here's an old thread with some more info on prototype plastic mags:
http://www.ar15.com/archive/topic.html?b=3&f=123&t=329733

i've got 3 of the black ones.

my old thread here:
http://www.ar15.com/forums/t_3_17/305415_Need_help_identifying_plastic_20_round_mags.html

some info i copied off the net years ago too:

Dating from the early 1960’s come these four different experimental disposable magazines as tested at Aberdeen Proving Grounds. They include: Black plastic, ribbed, parkerized steel feed lips and mag catch, plastic follower, OD plastic cover, (see page 379 of the Black Rifle book); Clear all plastic embossed FULL, steel coil spring, translucent plastic cover (cracked) (also on page 379); Black all plastic, rounded side floorplate; and Black all plastic, squared edge floorplate.
Link Posted: 6/23/2012 4:59:30 PM EDT
[#5]
Quoted:
Thru the incredible generosity of one of our members,(THANK YOU) I was given this rare experimental plastic M16 mag. It is however damaged,but WELL worth keeping. The feed lips are cracked and parts of them missing,and the tabs that would hold the floor plate are gone. My thoughts are to maybe clip off a couple of loops from the spring,assemble it all,then glue the floor plate in place. I'm thinking cutting the spring will reduce tension and prevent the follower from wanting to push thru what's left of the feed lips. OR,do I just leave it alone?? View the pics,and,what say the hive??? TIA.
http://i711.photobucket.com/albums/ww111/Robpics/001-20.jpg
http://i711.photobucket.com/albums/ww111/Robpics/002-12.jpg
http://i711.photobucket.com/albums/ww111/Robpics/003-12.jpg


Very, very cool.
I wouldn't cut That spring. It looks like the early blued type. Take a spring out of a beater magazine and save that one. If you decide to go that route.
I'd just leave it as is. But that's just me. Who knows, you may need that floorplate in the future. And if it's glued then you're screwed.

Link Posted: 6/23/2012 6:45:52 PM EDT
[#6]
Very, very cool.  
I wouldn't cut That spring. It looks like the early blued type. Take a spring out of a beater magazine and save that one. If you decide to go that route.
I'd just leave it as is. But that's just me. Who knows, you may need that floorplate in the future. And if it's glued then you're screwed.  


This!  Rob your finds never seem to amaze me any more.  Now that I know what they actually are I'm feeling kind of sick.  Don't know about a value but I called BS on one of those once upon a time and it was obviously worth what seller was asking.  This hasn't been a good week for me.  Did learn a few things and have 1 1/4 hrs left.
Link Posted: 6/23/2012 7:12:02 PM EDT
[#7]
Quoted:
Quoted:
Thru the incredible generosity of one of our members,(THANK YOU) I was given this rare experimental plastic M16 mag. It is however damaged,but WELL worth keeping. The feed lips are cracked and parts of them missing,and the tabs that would hold the floor plate are gone. My thoughts are to maybe clip off a couple of loops from the spring,assemble it all,then glue the floor plate in place. I'm thinking cutting the spring will reduce tension and prevent the follower from wanting to push thru what's left of the feed lips. OR,do I just leave it alone?? View the pics,and,what say the hive??? TIA.
http://i711.photobucket.com/albums/ww111/Robpics/001-20.jpg
http://i711.photobucket.com/albums/ww111/Robpics/002-12.jpg
http://i711.photobucket.com/albums/ww111/Robpics/003-12.jpg


Very, very cool.
I wouldn't cut That spring. It looks like the early blued type. Take a spring out of a beater magazine and save that one. If you decide to go that route.
I'd just leave it as is. But that's just me. Who knows, you may need that floorplate in the future. And if it's glued then you're screwed.


Made me chuckle Private.In your sentence,the words glued and screwed are a bad thing. Currently I have 2 M14 gas cylinders and front bands being NM unitized via the old skool "glued and screwed" method,,and dats a good thing....Just made me chuckle,,,maybe sniffin too much CLP

Link Posted: 6/23/2012 7:25:57 PM EDT
[#8]
Rob has hit the ceiling on finding rare mags....except the NAV experimental 50.

That said I'd leave that disposable mag alone.  Being broken kinda explains why it never flew.  Super cool and rare piece.  
Tough decision, but I wouldn't muck with it.  Just my .02.

Kinda makes ya wonder what if ?, we had actually succeeded in making a disposable mag.  I bet Mikhail would have teased us to death.
Link Posted: 6/23/2012 7:57:54 PM EDT
[#9]
I'd leave it alone.
Link Posted: 6/23/2012 8:39:39 PM EDT
[#10]
Quoted:
I'd leave it alone.


This.
Link Posted: 6/24/2012 4:29:31 AM EDT
[#11]
Quoted:
I'd leave it alone.


+ 1

Display Purposes Only    
Link Posted: 6/24/2012 7:05:25 AM EDT
[#12]
Please don't cut the spring.  Cut or hog ring a new spring to a length that just holds the follower in position without applying pressure to it or the floor plate. A couple of dots of mucilage glue will hold the floor plate in place and is easily reversible.  Place in Riker mount with original spring. Keep out of sunlight. Enjoy.
Link Posted: 6/24/2012 11:51:19 AM EDT
[#13]
Quoted:
<snip....> A couple of dots of mucilage glue will hold the floor plate in place and is easily reversible. <snip...>


OK, so for anyone else who had to go look up what the heck mucilage is... Musilage craft glue



Link Posted: 6/24/2012 5:21:08 PM EDT
[#14]
Quoted:
Please don't cut the spring.  Cut or hog ring a new spring to a length that just holds the follower in position without applying pressure to it or the floor plate. A couple of dots of mucilage glue will hold the floor plate in place and is easily reversible.  Place in Riker mount with original spring. Keep out of sunlight. Enjoy.

So far,I like this idea best ^^^^. I'll check out the mucilage glue.. Thanks.

Link Posted: 6/24/2012 7:06:26 PM EDT
[#15]
'Mucilage' is only slightly classier sounding than 'plant snot'.
Link Posted: 6/24/2012 11:17:55 PM EDT
[#16]
Quoted:
Rob has hit the ceiling on finding rare mags....except the NAV experimental 50.

That said I'd leave that disposable mag alone.  Being broken kinda explains why it never flew.  Super cool and rare piece.  
Tough decision, but I wouldn't muck with it.  Just my .02.

Kinda makes ya wonder what if ?, we had actually succeeded in making a disposable mag.  I bet Mikhail would have teased us to death.


I used to own two different types of the experimental 50s, even had a book documenting them and everything.

Stupidest thing I have ever done was sell those mags, for way too cheap, to another member on this forum (he is no longer active as far as I can tell).
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