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Lapping Question??

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Lapping Question??
LRRPF52 Offline
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#24
09-28-2019, 04:33 PM
Mad Charlie Wrote:The pin might make it a little hard to lap the extension...
Most uppers are cast. There are some "billet" uppers. I have no experience with billet, all four of my uppers have needed lapping.

I'm not aware of any companies today that are casting uppers.

Uppers are either forged and machined, or machined from billet.
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Messages In This Thread
Lapping Question?? - by Bdlot - 09-25-2019, 07:34 PM
Lapping Question?? - by Mad Charlie - 09-25-2019, 07:45 PM
Lapping Question?? - by A5BLASTER - 09-25-2019, 08:01 PM
Lapping Question?? - by Bdlot - 09-25-2019, 08:01 PM
Lapping Question?? - by Bdlot - 09-25-2019, 08:04 PM
Lapping Question?? - by grayfox - 09-25-2019, 08:23 PM
Lapping Question?? - by Bdlot - 09-25-2019, 08:39 PM
Lapping Question?? - by VASCAR2 - 09-25-2019, 11:03 PM
Lapping Question?? - by lazyengineer - 09-25-2019, 11:29 PM
Lapping Question?? - by grayfox - 09-25-2019, 11:58 PM
Lapping Question?? - by Bdlot - 09-26-2019, 02:38 AM
Lapping Question?? - by grayfox - 09-26-2019, 02:57 AM
Lapping Question?? - by Klem - 09-26-2019, 04:10 AM
Lapping Question?? - by imaguy3 - 09-26-2019, 07:56 AM
Lapping Question?? - by Mad Charlie - 09-26-2019, 08:26 AM
Lapping Question?? - by Keef - 09-26-2019, 10:45 AM
Lapping Question?? - by Bdlot - 09-26-2019, 11:03 AM
Lapping Question?? - by ricsmall - 09-26-2019, 01:14 PM
Lapping Question?? - by Mad Charlie - 09-26-2019, 05:33 PM
Lapping Question?? - by just_john - 09-27-2019, 11:49 AM
Lapping Question?? - by Bdlot - 09-27-2019, 01:49 PM
Lapping Question?? - by lazyengineer - 09-27-2019, 02:06 PM
Lapping Question?? - by Wheelhorse - 09-28-2019, 08:24 AM
Lapping Question?? - by LRRPF52 - 09-28-2019, 04:45 PM
Lapping Question?? - by Wheelhorse - 09-28-2019, 06:44 PM
Lapping Question?? - by Mad Charlie - 09-28-2019, 10:10 PM
Lapping Question?? - by ARErector - 09-28-2019, 10:12 PM
Lapping Question?? - by Ganderzone - 09-29-2019, 01:40 AM
Lapping Question?? - by ARErector - 09-29-2019, 04:50 AM
Lapping Question?? - by Bdlot - 10-02-2019, 01:01 AM
Lapping Question?? - by olde sarge - 10-02-2019, 05:12 AM
Lapping Question?? - by Bdlot - 10-12-2019, 02:12 PM
Lapping Question?? - by LRRPF52 - 09-28-2019, 04:33 PM

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