ARPartsFinder In-stock AR-15 & AR-10 parts across every retailer. We find them, you buy direct.

Rock River Arms AR-15 Upper Receiver Assembly 350 Legend 16" Stainless Barrel M-LOK Handguard Black

Name: Rock River Arms AR-15 Upper Receiver Assembly 350 Legend 16" Stainless Barrel M-LOK Handguard Black
Brand: MidwayUSA
Price: 699.99 USD
Availability: InStock

MidwayUSA · Complete Uppers

$699.99 In stock

Buy at MidwayUSA

Current: $699.99
Lowest seen: $570.26
Highest seen: $699.99

Tracked since Jul 3, 2026 · 4 price changes.

Rock River Arms AR-15 Upper Receiver Assembly 350 Legend 16" Stainless Barrel M-LOK Handguard Black

Price history · the price at each change, across the full time tracked

Confirm

How do you want to save?

More