AR-15 A2 Sight Tower Complete Rifle Kit with 80% Lower

AR-15 A2 Sight Tower Complete Rifle Kit with 80% Lower

$509.00 $477.95

AR-15 A2 Sight Tower Complete Rifle Kit with 80% Lower

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  • Reviews (1)


Complete AR15 Rifle Kit With A2 Sight Tower WITH 80% Stripped Lower Receiver

16″ AR-15 M4 Feed Ramp Rifle Kit comes with a complete assembled Upper with a barrel that is Nitride Coated, has a twist rate of 1×7 and Includes 80 percent Stripped Lower Receiver in this Rifle Kit.

The A2 Sight Tower rifle kit contains all of the components to complete YOUR Rifle except Magazine, Jig/tooling or Sights
  • Chamber – 5.56 Nato M4 Feed Ramp (Shoots both .223 and 5.56)
  • Twist – 1×7
  • Barrel Thread – 1/2×28
  • Barrel Steel – Chrome Moly / phosphate Processed
  • Flash Hider – A2 Flash Hider
  • Handguard – Carbine Black Handguards
  • Gas Block -A2 Sight Tower, Carbine Gas Tube with Pin
  • Upper Receiver – M4 Flat-top Upper with Barrel Nut and Delta Ring Assembly.
  • Bolt Carrier Group – Milspec AR-15 Bolt/Carrier assy
  • Charging Handle – Included
  • Lower Parts Kit – Milspec Lower Parts Kit
  • Stock – US Made 6 Position Black Stock w/ buffer and spring

 Kit Features:

Upper Receiver:  Machined from a 7075 T6 Aluminum Forging to tight Military specifications.  Hard Coat Type III Anodized Finish.  Upper receiver also includes the ejection port cover, forward assist, standard barrel nut with delta ring assembly, Additionally, A2 Style polymer 2 piece handguard with endcap.

80% Lower Receiver:  AR-15 80% Lower Receiver is created from a 7075 T6 Forging. It is machined to Mil-Spec tolerances with a Hardcoat Type III Anodized Finish.  The Lower has a broached magwell therefore,  the magazines fit perfectly every time. Area for rear Lug on upper receiver to seat is milled out to dry fit parts.

Barrel:  16″ 5.56 Chrome Moly 4150 Steel with M4 Ramp Extension, Military specification Phosphate Coating with a 1 in 7 twist rate and a carbine length gas port hole.  The barrel is setup for a 3/4″ (.750) gas block and the barrel is threaded 1/2-28 on the end for flash hider. Lastly, full height sight base pinned to barrel.

Stock and Lower Parts Kit:  Included Stock is 6 Position stock made from high strength polymer with Mil-Spec diameter extension tube complete with action spring, buffer assembly, end plate, and castle nut. Also included in the lower build out kit is a high quality Ar-15 Mil-Spec lower parts kit with a standard pistol grip and military style straight trigger guard.

This is not an FFL Item because 80% Stripped Lower Receiver is not fully machined and needs machining to complete.

Additional information

Weight 13 lbs

Barrel Chamber

Barrel Finish

Barrel Gas Block

Barrel Gas System

Barrel Length

Barrel Material

Barrel Thread

Barrel Twist



Handguard Length


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