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1/25/2018 7:38:29 AM
Posted: 1/28/2006 8:38:06 AM EST
looking at the P-415-16-BP-SF 16" GAS PISTON UPPER W/PLASTIC HANDGUARDS.

Recently started back to AR platforms with Armalite M15 and now with Colt LEO 6920 and Colt LEO 6520 on its way.

One POF upper ($$$ consideration) to interchange with all lowers to start. Will it work?

TIA
Link Posted: 1/28/2006 11:08:13 AM EST
My POF upper fits my CMMG lower perfectly and that is the only lower I run it on.
Link Posted: 1/28/2006 12:35:52 PM EST
My POF upper has been on a Rock River and Doublestar lower. Both fit fine. Like I referred to in your IM, Colt has SOME lowers (not sure which model #'s) that utilize non-standard takedown pins. I believe your 6920 should work though.

Take the "Piston Plunge". You won't regret it.
Link Posted: 1/28/2006 12:37:43 PM EST
[Last Edit: 1/28/2006 12:40:19 PM EST by ABNAK]
Double post.
Link Posted: 1/29/2006 12:00:31 PM EST
Thanks for replies.
what is considered "standard"/non-standard pins?
New to all this.
Link Posted: 1/29/2006 3:09:12 PM EST

Originally Posted By armaliteuser:
Thanks for replies.
what is considered "standard"/non-standard pins?
New to all this.



Newer Clots have larger/non-standard pins. Older ones like the SP1 have smaller/standard pins but the screw and large diameter pivot pin hole...

TS
Link Posted: 1/29/2006 7:31:36 PM EST

Originally Posted By ABNAK:
My POF upper has been on a Rock River and Doublestar lower. Both fit fine. Like I referred to in your IM, Colt has SOME lowers (not sure which model #'s) that utilize non-standard takedown pins. I believe your 6920 should work though.

Take the "Piston Plunge". You won't regret it.



This is good news to hear because I have a Double Star lower that is just waiting for it's recently ordered POF upper to come in and make it complete! From what I hear, the wait will be a while.
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