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Diamondback
Overview
The Diamondback Firearms 10" barrel is designed for .223 Wylde, allowing for safe chambering of both .223 Remington and 5.56 NATO rounds, giving builders versatility in ammunition choice. With a carbine-length gas system and a 1:8 twist rate, this barrel is optimized for stabilizing a wide range of bullet weights, which enhances accuracy and performance in various shooting scenarios. This barrel is often found in compact builds tailored for close-quarters engagements or tactical applications.
Diamondback Firearms 223 Remington 556NATO 10" Black 1:8 Carbine Length Gas System 556C10M50B8R
Prices checked
Diamondback Firearms 223 Remington 556NATO 10" Black 1:8 Carbine Length Gas System 556C10M50B8R ranked #41 of the 250 barrels builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #146 of the 844 barrels builders have added.
It was in stock most days in September 2026, and today all 5 retailers we track have it in stock. It dipped to $81 at BattleHawk Armory for a stretch in September 2026, well under its usual $93.98 to $104.99, so sales do come around. Buying today, the lowest price is $81 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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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