Proof Research

Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 7.5 Twist 24" Carbon Fiber Sendero Barrel

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Proof Research Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 7.5 Twist 24'''' Carbon Fiber Sendero Barrel - Barrel for AR-15 - view 1
Proof Research Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 7.5 Twist 24'''' Carbon Fiber Sendero Barrel - Barrel for AR-15 - view 2
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Proof Research

Overview

The Proof Research 264 Caliber Barrel is a 24-inch carbon fiber Sendero barrel designed for precision shooting in the 6.5mm/.264 caliber range. With a twist rate of 7.5, this barrel optimizes bullet stability and accuracy, making it an excellent choice for long-range applications. Builders often incorporate this barrel into precision rifle setups where weight savings and performance are paramount.

Specifications

MPN110171
Barrel Length24
Caliber6.5mm/.264

Available Merchants(5)

Prices checked

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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$732
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Brownells logo
Brownells
Free shipping
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In Stock
$899
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Optics Planet logo
Optics Planet
Free shipping
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In Stock
$899
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Palmetto State Armory logo
Palmetto State Armory
Free shipping
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In Stock
$900
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Classic Firearms logo
Classic Firearms
Shipping varies
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Out of Stock
$899
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Price and stock

Availability is good for the Proof Research Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 7.5 Twist 24" Carbon Fiber Sendero Barrel: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $732.49, so there haven't been real sales lately. Buying today, the lowest price is $732.49 at Ammunition Depot, which matches the best price we saw in September.

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