Rifle Build Kit - 5.56 | Builder's Grade Complete 16" Upper Receiver with A2 | M4 6-Position Stock and Buffer Tube Kit | Bare Necessities Lower Parts Kit
Builder's Grade Complete 16" 5.56 Carbine Upper Receiver | 12" Always Armed Octo Series M-LOK | BCG & CH:
This Complete 16 inch M-LOK upper receiver comes with the Always Armed 12 inch free float Octo Series handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.
Barrel
|
Specifications
|
---|---|
Caliber | 5.56 |
Length | 16" |
Material | 4150 Chrome Moly Vanadium |
Profile | M4 |
Finish | QPQ Corrosion Resistant |
Gas System Length | Carbine |
Gas Block Journal | .750" |
Dimpled? | No |
Twist Rate | 1:7 |
Muzzle Thread | 1/2x28 TPI |
Weight | 27.2oz |
Barrel Extension | M4 Feed Ramps |
Target Crown | 11 Degree |
Bolt Carrier Group:
- Enhanced 9310 Steel (Bolt)
- 8620 Tool Steel (Carrier)
- Bolt is shot Peened and MPI
- All BCG components are pre-polished before being processed and then post polished for an incredible shine
Upper Receiver:
- Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
- M4 Feed ramps
- Made in the U.S.A.
Handguard:
- Free Float 12" M-Lok Hand Guard
- MIL-STD 1913 Picatinny Rail
- M-Lok Slots on 4 Sides
- 6000 Series Aluminum Extrusion
- Clamp on System for Easy Assembly
- Steel Barrel Nut & Mounting Screws Included
- Hard Coat Black Anodized Finish
- Made in the USA
- Lightweight Design
- Weight: 13.5oz
Charging Handle:
- Alloy Charging Handle Assembly
- Complete with Standard Latch
- Made from hardcoat anodized aluminum
- Black finish
Tactical Sport 6-Position M4 Stock Kit:
This polymer stock is made from impact-resistant, high-strength material.
- Mil-spec Diameter Extension Tube Made from Aircraft Aluminum with Rolled Threads
- Built for Heavy-duty Operations with Tightest Tolerance Control
- Stock Assembly Complete with Action Spring, Buffer Assembly, Tear-drop Ring, and Castle Nut
Bare Necessities Complete AR15 LPK:
This BN Lower Parts Kit is what you need to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.
- Safety Selector
- Selector Spring
- Selector Detent
- Magazine Catch
- Magazine Catch Spring
- Aluminum Magazine Catch Button
- Bolt Catch
- Bolt Catch Detent
- Bolt Catch Spring
- Bolt Catch Roll Pin
- Take Down Pin Take Down Detent
- Take Down Detent Spring
- Front Pivot Pin
- Front Pivot Pin Detent
- Front Pivot Pin Detent Spring
- Trigger Guard
- Trigger Guard Roll Pin
- Buffer Retainer Detent
- Buffer Retainer Spring
- A2 Pistol Grip
- Pistol Grip Screw
- Pistol Grip Lock Washer
- Trigger
- Trigger Spring
- Hammer
- Hammer Spring
- Disconnector
- Disconnector Spring
- Hammer Pin & Trigger Pin
***Disclaimer: This made-to-order product may include minor component substitutions of military-specification quality or better. These changes, potentially differing cosmetically from shown images, ensure enhanced quality and performance. This may include ambidextrous sling loop endplates or an upgraded extra power spring.