Del-Ton AR-15 Pistol A3 Flat-Top Upper Assembly 5.56x45mm NATO 1 9 - $579.99

Description

This Del-Ton Pistol Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features an 11.5" Government Contour Barrel, Carbine-Length Gas System, F-Marked Front Sight Assembly, 2-Piece CAR-Style Handguards and an A2 Flash Hider. The barrel's 5.56x45mm NATO Chamber, M4 Feed Ramps and 1 in 9" Twist rifling ensure reliable feeding and functioning with a wide variety of both commercial and surplus ammunition.

The Bolt Carrier is machined from 8620 Steel for strength, incorporates a properly staked, chrome lined gas key, and houses a Carpenter 158 Steel Bolt that has been High Pressure Tested and Magnetic Particle Inspected (MPI) to guarantee a consistent, structurally sound part. This upper receiver is an excellent choice for shooters searching for a quality AR top end at a good price with which to build a Pistol or Short Barreled Rifle (SBR).

Technical Information:
Upper Receiver: A3 Flat-Top
Barrel Length: 11.5"
Barrel Contour: Government
Barrel Material: 4140 Chrome Moly Vanadium Steel
Muzzle Thread Pattern: 1/2"-28
Chrome Lined: No
Barrel Finish: Manganese Phosphate (Parkerized)
Twist Rate: 1 in 9"
Chamber: 5.56x45mm NATO
M4 Feed Ramps: Yes
Muzzle Device: A2 Flash Hider
Gas System Length: Carbine
Gas Block Diameter: 0.750"
Handguard: 2-Piece Polymer, CAR-Style w/Heatshield
Sights: F-Marked Fixed Front, No Rear

11" Pistol Upper
Product #: 518445