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Sig Sauer M400 Elite Upper Receiver (No BCG/CH) - 16" 5.56mm NATO, Romeo4A

Sig Sauer M400 Elite Upper Receiver (No BCG/CH) - 16" 5.56mm NATO. Includes Romeo4A (SOR41001).
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$389.00
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Details
Details
Now available from SIG SAUER. SIGM400 16" Enhanced Upper Receiver. Bolt Carrier Group and Charge Handle NOT included. Also included is a Sig Sauer Romeo4A (SOR41001). The Romeo4A is packaged in the box with the upper (wrapped in bubble wrap).
Specs - More Info
Additional Info
SKU UAM400-16B-E-KIT-SOR41001
UPC Code 410000000045
Caliber .223 / 5.56
Manufacturer Sig Sauer
Sights (detailed) Sig Romeo4A Red Dot Sight
Frame Finish Black
Barrel Length (in) 16.0 in
Accessory Rail Yes
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Product Questions

Product Questions

Is the hand guard key mod or m-lok?

Referenced product: UAM400-16B-E-KIT

This is an MLOK handguard.

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Is the barrel Crome lined..?

Referenced product: UAM400-16B-E-KIT-SOR52001

The barrel is not chrome lined. According to information we received from Sig Sauer, the barrel is Nitride coated.

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