Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black
All Rock River Arms upper receivers4 options
- 16"out of stock
- 18"out of stock
- 20"from $619.99, in stock
- 24", this page
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Rock River Arms
Overview
The Rock River Arms Upper Receiver A4 is a complete assembly designed for the AR-15 platform, featuring a 24-inch barrel with a .223 Wylde chamber, allowing for versatility in ammunition selection. The 1:8 twist rate is optimized for stabilizing a wide range of bullet weights, making this upper ideal for precision shooting and varmint hunting. This upper receiver commonly appears in builds focused on long-range accuracy and target shooting.
Specifications
Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black
4 options
- 16"out of stock
- 18"out of stock
- 20"from $619.99, in stock
- 24", this page
Build history on GunPartPicker
Builders on GunPartPicker first added the Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black to a build in March 2026.
Today only Optics Planet has it in stock. Buying today, the lowest price is $659.99 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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