Builder's Grade Barreled 12.5" 5.56 Carbine Upper Receiver | 12" Always Armed Octo Series M-LOK | Without Bolt Carrier Group and Charging Handle
NO BCG OR CHARGING HANDLE INCLUDED
Click here for Charging Handles
Click here for Bolt Carrier Groups
This Barreled 12 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.
|
Barrel
|
Specifications
|
|---|---|
| Caliber | 5.56 |
| Length | 12.5" |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Government |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Carbine |
| Gas Block Journal | .750" |
| Dimpled? | Yes |
| Twist Rate | 1:7 |
| Muzzle Thread | 1/2x28 TPI |
| Weight | 22.4oz |
| Barrel Extension | M4 Feed Ramps |
| Target Crown | 11 Degree |
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
Please Note: Uppers may present light fouling from our quality control process and/or test firing
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***
