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Posted: 8/25/2004 11:41:31 PM EDT
Hope someone can help me with my curiosity. Its a fact that Colt uses a higher (proprietary) FSB on the M4A1 to compensate for the increased height of the rear sight on a detachable carry handle. But what about for Colt M4's with standard A2 uppers? Do they use the standard FSB's for these?

Thanks in advance.

Frontsight
Link Posted: 8/26/2004 7:08:12 AM EDT

Originally Posted By Frontsight:
Hope someone can help me with my curiosity. Its a fact that Colt uses a higher (proprietary) FSB on the M4A1 to compensate for the increased height of the rear sight on a detachable carry handle. But what about for Colt M4's with standard A2 uppers? Do they use the standard FSB's for these?

Thanks in advance.

Frontsight



Yes, on the A2M4s they used the standard FSBs. I can verify this because I had an A1 M4 and an A2 M4 upper.
Link Posted: 8/26/2004 8:57:11 AM EDT
[Last Edit: 8/26/2004 8:57:46 AM EDT by eodinert]
Colt flat tops will still have the 'F' marked front sight base.
Link Posted: 8/26/2004 9:24:38 AM EDT
Link Posted: 8/26/2004 10:33:26 AM EDT
Mail sent on FN FSB.

TR
Link Posted: 8/29/2004 6:13:42 PM EDT
Raptor and Eod,

Thanks for the reply.

Frontsight
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