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9/19/2017 7:27:10 PM
Posted: 2/25/2002 10:51:52 AM EDT
Anyone know what the difference is between an AR15 bolt and a M16 bolt? I've been told that its just a matter of the M16 having a heavier extractor. And what is the difference between the firing pins? Bushmaster says they have both.
Link Posted: 2/25/2002 5:15:09 PM EDT
There's considerable difference between the **bolt carrier** of the semi & full auto.

As for the firing pin itself, I know of no difference between the two, they should be the same physical diminsions (sp?) & thus should be the same component of metal, AFAIK.
Link Posted: 2/25/2002 7:06:12 PM EDT
well, thier is a little bit of magic in every m16 bolt
Link Posted: 2/25/2002 9:12:51 PM EDT
Only the carrier are different.

The M-16 will have the lower-rear cut farther forward to work with the auto sear. The firing pin will also be hooded and use a larger base pin firing pin. The bolts are the same on the two rifles.

Adding a M-16 carrier will not make the rifle shoot full auto, It will just get you into trouble with the BAFT to the tune of $10,000 fine and 10 years in prison.
Link Posted: 2/26/2002 3:31:08 AM EDT
Check out the Bushmaster's catalog, they have great comparsion pictures. You really want to know this one. based on bolt, trigger and safety!!
Link Posted: 2/26/2002 8:30:30 AM EDT
Check out the Quality Parts Corp/Bushmaster'swww.bushmaster.com/. downloadable catalog at www.bushmaster.com/request.asp. They have some real good pix on the differences. They are really obvious after looking at the illustrations.
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