SIG-516 Piston Driven AR-15 Upper Receiver Assembly w/Bolt and Carrier, Charging Handle, Adjustable Gas system, Quad Rail, 10.5" Barrel 1/7 Twist, 5.56 NATO *Good*

Law Enforcement Patrol SIG 516 Piston Driven AR15 Upper Receiver Assembly, adjustable gas system, bayonet lug, 1 in 7 RH twist, 10.5" Barrel length, factory quad rail, 5.56X45 in *Good* condition.

Sold Individually.
Includes upper receiver, barrel, bayonet lug, charging handle and complete bolt assembly.
Factory free-floated aluminum M1913 quad rail system provides an uninterrupted top rail.
SIG 516 barrels are chrome-lined hammer forged featuring 1:7 RH twist with Nitride finish.
The muzzle is threaded 1/2″x28 for flash hiders or other types of muzzle devices.
SIG A3 type upper receivers are machined from 7075-T6 aircraft grade aluminum forgings with black anodized finish.
Gas block push-button lock for adjuster may require cleaning/servicing for proper use.
These uppers will have some siezed and grimy parts that will require cleaning.
Sights not included.
May show signs of finish wear, rust, marring, etc..

NOTE: Prior to installing this length of barrel into a rifle a NFA Form 1 must be completed and returned approved.
A 10.5 Inch length barrel installed into a shoulder fired firearm is a "Short Barreled Rifle" under the NFA. 

Parts must be inspected and tested by a qualified and competent gunsmith or armorer before use in a firearm.
Not all firearm parts are interchangeable; use of new parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury or death.

WARNING: This product has been restricted in some states. Please visit our shipping restrictions to find out whether it is legal for us to ship this item to you PRIOR TO CHECKOUT. Always consult your local laws and ordinances.