Builder's Grade Complete 16" 5.56 Carbine Upper Receiver | 15" Always Armed Octo Series M-LOK | BCG & CH
This Complete 16 inch M-LOK upper receiver comes with the Always Armed 15 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.
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Barrel
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Specifications
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|---|---|
| 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 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
Handguard:
- 15" Lightweight - Free Float M-LOK
Charging Handle:
- Alloy Charging Handle Assembly
- Complete with Standard Latch
- Made from hardcoat anodized aluminum
- Black finish
Please Note: These Uppers are designed to work flawlessly with quality full powered 5.56 ammo. Underpowered steel cased ammo will likely work but is not guaranteed. Every upper is test fired with 5.56 NATO – 55 Grain quality ammunition.
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***
