Proof Research

Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28" Stainless Steel Competition Bbl

All Proof Research barrels
Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28'''' Stainless Steel Competition Bbl - Barrel for AR-15 - view 1
Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28'''' Stainless Steel Competition Bbl - Barrel for AR-15 - view 2
Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28'''' Stainless Steel Competition Bbl - Barrel for AR-15 - view 3
Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28'''' Stainless Steel Competition Bbl - Barrel for AR-15 - view 4
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Proof Research

Overview

The Proof Research 28-inch stainless steel barrel is designed specifically for .243 caliber bolt-action rifles, featuring a 7.5 twist rate that enhances stability and accuracy with a variety of bullet weights. The stainless finish not only provides a sleek appearance but also adds durability and resistance to corrosion, making it suitable for challenging environments. This barrel is commonly found in precision and competition builds, where accuracy and reliability are paramount.

Specifications

MPN113707
FinishStainless
Barrel Length28

Available Merchants(5)

Prices checked

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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
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In Stock
$369
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Brownells logo
Brownells
Free shipping
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In Stock
$449
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Optics Planet logo
Optics Planet
Free shipping
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In Stock
$449
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BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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In Stock
$449
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Palmetto State Armory logo
Palmetto State Armory
Free shipping
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In Stock
$450
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Price and stock

Availability is good for the Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28" Stainless Steel Competition Bbl: it was in stock at one retailer or another nearly every day in September 2026, and today all 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $368.99, so there haven't been real sales lately. Buying today, the lowest price is $368.99 at Ammunition Depot, which matches the best price we saw in September.

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