Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R
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Diamondback
Overview
The Diamondback Firearms 300 Blackout barrel features a compact 10-inch length and is designed with an HBAR profile, providing a balance between weight and performance. With a pistol-length gas system and a twist rate of 1:8, this barrel optimizes stability and accuracy for the 300 Blackout caliber, making it suitable for a variety of ammunition types. This barrel is commonly found in builds tailored for short-range tactical applications and home defense setups.
Specifications
Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R ranked #77 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 #147 of the 844 barrels builders have added.
It was hard to find in September 2026, in stock on only 15 of the 27 days we checked, and today 2 of the 5 retailers we track have it in stock. It dipped to $80 at BattleHawk Armory for a stretch in September 2026, well under its usual $90.92, so sales do come around. Buying today, the lowest price is $80 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
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
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