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Sig Sauer M400 516 Stripped Lower Receiver

Sig Sauer M400 516 Stripped Lower Receiver

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Availability: Out of stock

Sig Sauer

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This is a brand new Sig Sauer M400/516 Stripped Lower Receiver which is an AR15 clone. This uses standard AR15 mil-spec lower receiver parts and will mate up to any standard mil-spec AR15 upper receiver.
Specs - More Info
Additional Info
UPC Code 798681464890
Caliber .223 / 5.56
Manufacturer Sig Sauer
Accessory Rail Not Applicable
FFL Requirements All firearms must be shipped to a Federal Firearms License (FFL) holder. We cannot and will not ship firearms to anyone but a FFL. We must receive the receiving dealer's FFL by fax (314-558-8429) or email (
Warranty Warranty provided by Sig Sauer. Warranty information is available for Sig Sauer products at
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Product Questions

Product Questions

Will M400 stripped lower be back in stock sometimes soon?

Referenced product: LWR-M400-516-STRIPPED

Response Date: Feb 8, 2019

We are working to attempt to acquire more of these lower receivers from Sig. They appear to have pulled them from their ordering system and at this time we cannot order more.

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