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5/18/2006 10:58:38 PM EDT
Are all Colt carbine buffers mark "H" or only later vintage ones? Were any of them ever unmarked? The one I just got in a used Colt assembly is unmarked. Also, the buffer spring I have is not reduced in diameter at the ends to grasp the buffer. Is it a correct spring or is there a problem here?
5/19/2006 1:45:22 AM EDT
[#1]
Cannot help you with the spring question, but the H buffer came along later in the life of the AR15. So its entirely possible your buffer would be unmarked and an original Colt factory part.

Both are low cost replacement items with various dealers here, or in the case of the original Colt part- Specialized Armament Warehouse is you best bet.

HTH
5/19/2006 2:37:30 AM EDT
[#2]

Quoted:
Are all Colt carbine buffers mark "H" or only later vintage ones? Were any of them ever unmarked? The one I just got in a used Colt assembly is unmarked. Also, the buffer spring I have is not reduced in diameter at the ends to grasp the buffer. Is it a correct spring or is there a problem here?




Was it sold as 100% Colt?  I've had at least a dozen Colt buffers and don't feel that I could accurately pick one out from a crowd.  All the springs, however, usually grasp the buffer.  It would probably still work fine.
5/19/2006 3:50:38 AM EDT
[#3]
    No guru here, but I do collect Colt. The early Colt carbine buffer was unmarked. You can tell it apart from most other aluminum bodied buffers because it has a round head without the flats found on the heavier Colt H/H2/H3 buffers. Weight was 84 gr. The Colt 5.56mm "C"  &  9mm buffers have round heads also, but are much heavier because they have a steel body.
   
                                                                 HTH,
                                                                 Carey
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