Sig Sauer M400 16" 5.56mm Upper Receiver
Availability: Out of stock
Included Bolt Carrier Group & Charging Handle.
Specifications are subject to change.
|Caliber||.223 / 5.56|
|Barrel Length (in)||16.0 in|
|Accessory Rail||Not Applicable|
|Warranty||Warranty provided by Sig Sauer. Warranty information is available for Sig Sauer products at https://www.sigsauer.com/support/warranty/.|
- Is this a complete upper