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Is the Sig Sauer M400/516 lower receiver compatible with a PWS MK111 MOD 2-M upper receiver ?

Sascha Meyer

Referenced product: LWR-ASSY-M400-516-TELE

Response Date: Mar 9, 2019

As far as we know, the LWR-ASSY-M400-516-TELE should be compatible with the PWS uppers.

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