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Colt AR-15 assault rifle
The reloading system I've always dreamed of. Pull back the charging handle, push it back in, put in a bullet and fire.
About this creation
More photos in my Brickshelf gallery.

First of all, if you thought the barrel looked too long, you'd be right. I got the figures mixed up for the lengths of the barrels of various different Colt weapons, but that's only a minor detail. Secondly, yes, it's basically just another M4 assault rifle under another name and very slightly different. And the body is more realistic than ever before.

The best thing about this gun, though, even if I haven't perfected it yet (it doesn't fire because the barrel is too tight and however much I loosen it it still won't work), is the brand new reloading mechanism. Many times in the past I have tried, and failed miserably, to build a shotgun in which the elastic band fires and catches on two prongs, before being pulled back to the firing prong and having another bullet inserted.

This time the charging handle (the bit that comes out backwards behind the carrying handle on the top) has two prongs inside the gun attached to it which catch the elastic band when it is fired. It is pulled back, whereupon it puts the firing prong back into position and then the elastic band catches on it. A bullet is dropped in through the barrel and is supposedly fired.

The reloading works fine. It's just the small matter of actually firing the thing. I'll work on that for the next gun. Not this one, because the elastic band has broken and I'd have to take a large part of the gun apart to replace it.

For those of you who have been asking what I used for a bullet, it was two of those pin connector things (tubes, 16mm long), held together by a black technic pin, with one of those 12mm long dark grey pins sticking out the front. But I could have used anything 8mm wide, such as a stack of 1x1 bricks turned on their side (except that they might have broken apart during firing).
The bullet needed to be a certain length. If you look at the second picture, you can see the light grey piece, which was the backstop for the bullet, and when resting against that the front of the bullet had to extend beyond the prongs that caught the elastic when they were in their forwardmost position.
I know that's a terrible explanation but it's the best I can come up with at the moment.

PS.
I've been inundated with requests for instructions recently. Sorry, but not only do I not have time to make instructions, but also the models have usually been dismantled by the time people ask.



Comments

 I made it 
  January 4, 2010
Quoting Joey Geek very nice but colt didn't make the AR-15, Armalite did
Everyone made the AR15 (it's a bit of a slut). Colt bought the manufacturing rights in 1959, which is much further back than I can remember. For 50 of its 51 years in service it has been made by Colt.
 I like it 
  January 3, 2010
very nice but colt didn't make the AR-15, Armalite did
 I like it 
  September 18, 2009
Very nice choise of weapon!!!
 I like it 
  September 18, 2009
Amazing job with this gun!
 I like it 
  September 18, 2009
this is very nice, great job on MOTD, btw check out my M-16 if u get the chance.
 I like it 
  September 18, 2009
It's about time a gun gets MOC of the day! To all you LEGO gun haters, I bet we work more than twice as hard on our guns then you work on a regular MOC.
 I like it 
  September 18, 2009
SWEET! I'm no fan of lego guns, but this is just WAY awsome!
 I like it 
  May 13, 2009
isit possible to make instructions for the handle? i can never get those right (just asking)
 I like it 
  April 24, 2009
tom, these are exellent guns i love them and dont know how to build them so i was wondering if you could send me the instructions please. cheers, george
 I like it 
  January 30, 2009
THATS AWSOME!!!!!
 I like it 
  June 26, 2008
its a excellent thing,i trying to clone your mechanism. its a cool thing,but unfortunately its single shot. also i like him,keep building
 I like it 
  May 10, 2008
AAAAAAAAAWWWWWWWSOOOOOOOOOOOOOOOOOME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 I like it 
  March 24, 2008
very very nice. i definetly havent made a better (yet) rifle. in question to "lego master" where'd u get that name? that's my online admin lego name for Legoswap.com...
 I like it 
  September 15, 2007
very very nice u got a good mind of creation please check out my lego creation go to tanks and you will find my m1a1 lego tank
 I like it 
  July 13, 2007
wowzaa thats amazing but wot do u use as a bullet?
 I like it 
  June 29, 2007
very nice gun look my gun: http://www.mocpages.com/moc.php/32583
 I like it 
  June 28, 2007
please send me instructions for this gun or 1 of ur other guns. please
 I like it 
  August 2, 2006
Wow that tops my AR-15. Mine doesn't even fire anything. It really looks exactly like a real one if you look at it from a distance! I'm still trying to understand how you managed to make the front grip with plates facing outward on all sides. Great job.
Tom E.
 I like it 
daniel van dijk
  February 8, 2006
AMAZING! can u send instructions for mechanism
 I like it 
  August 17, 2005
You should probably try to make an M16A1/A2 with a full stock. Otherwise, very nice detail, probably the best that I have seen. Your guns have inspired me to make mine more realistic.
 I like it 
  January 24, 2005
That looks beautiful. wow.
 
By Tom E.
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