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Sig 516 Upper Assembly, 5.56mm, 10" Barrel

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$999.00

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Quick Overview

All upper assemblies are shipped with a recoil buffer and action spring. These components must be installed to ensure proper function of the SIG516 upper assembly on your AR-type lower receiver.

Sig 516 Upper Assembly, 5.56mm, 10

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  • Sig 516 Upper Assembly, 5.56mm, 10

Details

The SIG516 uppers allow operators to upgrade their current AR-15/M16/M4-type rifles from direct gas impingement systems to the SIG SAUER® advanced short-stroke pushrod system. This advanced operating system reduces carbon fouling, excessive heat and unburned powder in the action, ensuring reliability and function that is unmatched. A standard 5.56mm NATO chrome-lined chamber and bore ensure reliable function in any environment. All models feature a free-floating, aluminum, M1913 quad rail and 1:7 right-hand twist bore configuration. The 10” uppers feature short heavy barrels An adjustable gas valve allows operators to increase the flow of gas when using lower pressure ammunition or when adverse conditions require additional energy. Reduced flow and the off-position enhance the use of suppressors. Barrels feature an A2 flash suppressor and are threaded ½x28 TPI, allowing the SIG516 to adapt to a number of aftermarket accessories and suppressor mounts.

Additional Information

SKU UA516G2-10
UPC Code 798681441525
Caliber .223 / 5.56
Manufacturer Sig Sauer
Barrel Length (in) 10"
Accessory Rail Yes
Additional Info All NFA Rules Apply. Mounting this on a rifle lower will create a short barrel rifle. It is fine to use on a pistol lower.
Warranty Warranty provided by Sig Sauer. Warranty information is available for Sig Sauer products at https://www.sigsauer.com/support/warranty/.

Product Questions

Product Questions

Hello,Is the bolt carrier with the SIG 516 Gen 2 10" upper Full aotu or Semi auto profile?

Referenced product: UA516G2-10

Sig's 516 uppers have a semi-auto only bolt carrier group unless the part number contains MGA. The referenced product is a semi-auto only BCG. The UA516G2-10MGA ships with a full auto capable bolt carrier group. The lower receiver must be a full auto receiver for the firearm to function as a full auto with the UA516G2-10MGA.

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Customer Reviews

Sig Sauer has this same upper on sale for much less. Review by MAN OF STEEL
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I own a Sig 308 and love this rifle in this configuration. I wanted to build a pistol and wanted to use this 10" upper and did not want to spend a kings ransom for it. Can you honor the Sig sale price. (Posted on 12/21/2018)

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