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Diamondback
Overview
The Diamondback Firearms AR-10 barrel is designed for .308 Win applications, featuring a 16" length with a 1:10 twist rate that stabilizes heavier projectiles for improved accuracy. The mid-length gas system enhances reliability and reduces recoil, making it suitable for various shooting scenarios while the nitride finish provides durability and corrosion resistance. This barrel is commonly found in builds that prioritize a mid-length gas system and .308 caliber, catering to both tactical and precision shooting enthusiasts.
Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R
Builders have been adding the Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R to their builds on GunPartPicker since April 2026. All time, it ranks #104 of the 763 barrels builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $125.99, so there haven't been real sales lately. Buying today, the lowest price is $119 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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