Proof Research Zermatt Arms Pre-Fit R Barrels 22 WMR 20in 16 Twist 1/2x28 Thread Carbon Fiber Graphite/Silver

2 options

18"out of stock
20", this page

Proof Research Zermatt Arms Pre-Fit R Barrels 22 WMR 20in 16 Twist 1/2x28 Thread Carbon Fiber Graphite/Silver - Barrel for AR-15 - view 1

Proof Research Zermatt Arms Pre-Fit R Barrels 22 WMR 20in 16 Twist 1/2x28 Thread Carbon Fiber Graphite/Silver - Barrel for AR-15

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Proof Research

Overview

The Proof Research Zermatt Arms Pre-Fit R Barrel is designed for precision shooting with a 20-inch length tailored for .22 WMR caliber. Its 1:16 twist rate ensures optimal stability and accuracy for various bullet weights, while the 1/2x28 thread pitch allows for easy attachment of muzzle devices. This barrel is commonly found in precision rimfire builds, making it a great choice for competitive shooting or varmint hunting applications.

Specifications

MPN133767

Caliber.22 LR

Barrel Length20

Twist Rate1:16

Thread Pitch1/2x28

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Proof Research Zermatt Arms Pre-Fit R Barrels 22 WMR 20in 16 Twist 1/2x28 Thread Carbon Fiber Graphite/Silver

2 options

18"out of stock
20", this page

Available Merchants(1)

Prices checked Oct 11, 2026

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Optics Planet

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Out of Stock

$999

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Build history on GunPartPicker

Builders on GunPartPicker first added the Proof Research Zermatt Arms Pre-Fit R Barrels 22 WMR 20in 16 Twist 1/2x28 Thread Carbon Fiber Graphite/Silver to a build in March 2026.

Today the one retailer we track is out of stock. Listed prices start at $999 at Optics Planet for when it comes back.

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Updated Oct 12, 2026 · from real builds on GunPartPicker · Prices checked Oct 11, 2026 · refreshed daily across 37 retailers