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Sig Sauer M400 Classic 5.56mm 16" AR15 Upper Receiver

Sig Sauer M400 Classic AR-15 Upper Receiver, 5.56mm NATO

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Now available from SIG SAUER. SIGM400 16" upper receiver complete assembly. Features - 5.56 NATO - 16" barrel - Direct Impingement Gas Operating System with Rotating Bolt - Hard Coat Anodized Finish - Polymer Forend - "F" Marked Front Sight - Flip-up Locking Rear Sight
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Additional Info
SKU UAM400-16-C
UPC Code 798681464739
Caliber .223 / 5.56
Manufacturer Sig Sauer
Grips M4 Style Handguards
Barrel Length (in) 16"
Accessory Rail Not Applicable
Warranty Warranty provided by Sig Sauer. Warranty information is available for Sig Sauer products at
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