Right To Bear Assembled Nickel Teflon Upper Receiver | Build Kit | with Mil Spec Bolt Carrier Group & Charging Handle
Electroless Nickel Teflon has continually proven to outperform traditional Anodizing and Phosphate coatings by leaps and bounds! The increased reliability, corrosion resistance and ease of maintenance make this upgrade a no-brainer.
PLEASE NOTE: These uppers are being sold at a discounted rate due to minor imperfection in the base metal. These imperfections are very common but are usually hidden when anodized. Nickel Teflon does not hide them as well. In no way shape or form will these blemishes affect functionality.
Features:
- Forged & machined by Cerro Forge (Key Hole)
- Machined From mil-spec 7075 T6 forging
- M4 feed ramps
- Proprietary electroless nickel teflon finish
- 100% increase in corrosion resistance compared to MIL-A-8625 hard coat anodizing
- 240% increase in lubricity compared to MIL-A-8625 hard coat anodizing
- 160% increase in lubricity over hard chrome
Nickel Teflon will buff out and produce polished spots on contact/friction points. When using a clamshell type receiver block, the contact points may cause slight discoloring on the exterior of the receiver. This of course is strictly cosmetic. However, if you're trying to avoid discoloration then we recommend using a (pin type) receiver vise. The inside diameter for barrel extension is slightly undersized for a tighter fit to the barrel and a more accurate rifle.
Benefits:
- Run it longer and harder - Lubrication optional. If you decide to use lube you won't notice when it dries up. The natural lubricity of Nickel Teflon has a much lower coefficient of friction than phosphate treated steel with lube applied.
- Lubricity and wear resistance - Lubricity plays an essential role in optimizing wear resistance and longevity. Nickel Teflon has a .05 Coefficient Of Friction (COF), creating a surface more slick than Anodizing, Hard Chrome or even Nickel Boron.
- Longevity - Has a Hardness of Rockwell 54. Guaranteed not to peal or flake
- Ease of maintenance - No scrubbing required. Carbon fouling literally just wipes off with a rag.
- Corrosion resistance - We apply a proprietary Electroless Nickel substrate with a higher than average phosphorus content, giving the coating a barrier that's practically
Be sure to select any of or dust cover options from the dropdown menu!
Includes:
Complete Nickel Teflon Upper Receiver (M4 Flat Top)
- Material: 7075 T6 Aluminum
- Finish: Electroless Nickel Teflon
- Compatibility: All Mil-Spec AR-15 components
- Additional: Assembled with Forward Assist & Ejection Port Door (Dust Cover)
AR-15 Bolt Carrier Group - Black Nitride
- Enhanced 9310 Steel (Bolt)
- 8620 Tool Steel (Carrier)
- Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
- Tool Steel Extractor
- Shrouded Firing Pin
- Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and heavily staked
- Caliber: .223 / 5.56 / 300 Blackout
- Bolt is shot Peened and MPI
- All BCG components are polished
Standard AR-15 Charging Handle
- Tried and True Standard Charging Handle
- Forged 7075 Aluminum construction
- Mil-Spec Type-III Hardcoat Anodized finish
- Caliber - .223 / 5.56 / 300 Blackout
- Made in the USA
Add a plain or engraved port door + forward assist kit from the drop down menu.
Choose one of our upper engraving graphics from the drop down menu.
THESE ENGRAVED PORT DOORS COME WITH ALL HARDWARE NEEDED FOR THE PORT DOOR AND FORWARD ASSIST
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