Radian

Radian Weapons R0898 Model 1 Complete Upper 6mmARC Black Nitride Steel

All Radian upper receivers
Radian Weapons R0898 Model 1 Complete Upper 6mmARC Black Nitride Steel - Upper Receiver for AR-15 - view 1
Buy Now

Radian

Overview

The Radian Weapons R0898 Model 1 Complete Upper is designed for the AR-15 platform, chambered in 6mm ARC, making it ideal for precision shooting with enhanced ballistics. This complete upper assembly comes finished in a sleek black, providing a clean aesthetic while ensuring durability. While this upper is optimized for the 6mm ARC caliber, it commonly appears in builds that also utilize the 5.56 NATO caliber, showcasing its versatility within the AR-15 framework.

Specifications

MPNR0898
PlatformAR-15
ColorBlack
AssemblyComplete
Caliber6mm ARC

Available Merchants(4)

Prices checked

Price Alert

Get an email if the price drops 10% or more.
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$2,080
Buy Now
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
In Stock
$2,080
Buy Now
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
In Stock
$2,080
Buy Now
Sportsmans Outdoor Superstore logo
Sportsmans Outdoor Superstore
Flat rate shipping
Shipping Speed
Out of Stock
$2,417
Buy Now

Build history on GunPartPicker

Builders have been adding the Radian Weapons R0898 Model 1 Complete Upper 6mmARC Black Nitride Steel to their builds on GunPartPicker since February 2026. All time, it ranks #659 of the 1,713 upper receivers builders have added.

It was in stock most days in September 2026, and today 3 of the 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $2,079.95, so there haven't been real sales lately. Buying today, the lowest price is $2,079.95 at Optics Planet, which matches the best price we saw in September.

Trending upper receivers →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which upper receiver to pick?

We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.

Read the guide: Most Popular AR-15 Upper Receivers →

Check it against the live catalog:

Frequently Built With

The part most often added in each category by the builds that include this one

Radian A-DAC 15 AR-15 Stripped Lower Receiver Radian Brown

Radian A-DAC 15 AR-15 Stripped Lower Receiver Radian Brown

Lower Receiver$14 · out of stockin 20% of them
Magpul RVG Rail Vertical Grip - Black

Magpul RVG Rail Vertical Grip - Black

Foregrip$18in 40% of them
Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

Trigger$202in 20% of them
Magpul AR-15 MOE Stock Fixed Commercial Black

Magpul AR-15 MOE Stock Fixed Commercial Black

Stock & Brace$26 · out of stockin 20% of them
Radian Raptor Ambidextrous Charging Handle - Talon Safety Selector Combo - Radian Grey

Radian Raptor Ambidextrous Charging Handle - Talon Safety Selector Combo - Radian Grey

Charging Handle$136in 40% of them
JP Enterprises Silent Captured Spring for Law Tactical Folder

JP Enterprises Silent Captured Spring for Law Tactical Folder

Buffer Spring$196in 20% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

50.3%
Mid-Length50.3%
Carbine25.7%
Pistol11.4%
Rifle10.9%
Blowback1.3%
Other0.3%

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!