Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R
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Diamondback
Overview
The Diamondback Firearms Barrel is a 7-inch HBAR barrel designed for 5.56 NATO caliber rifles, featuring a pistol-length gas system and a 1:8 twist rate. This configuration allows for effective stabilization of a wide range of bullet weights, making it suitable for various ammunition choices while optimizing gas flow for reliable cycling in pistol builds. You’ll often find this barrel in compact AR-15 builds that prioritize maneuverability without sacrificing performance.
Specifications
Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R
Build history on GunPartPicker
Builders have been adding the Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R to their builds on GunPartPicker since January 2026. All time, it ranks #64 of the 811 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on pistol-length gas, and split between AR-15 (50%) and AR-9 (50%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 5 retailers we track have it in stock. The best price drifted down from $81.93 to $78.20 over August 2026 without a real sale. Buying today, the lowest price is $70 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 13 builds that include this one
Wilson Combat AR-15 Billet Upper Receiver
Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver
Daniel Defense MFR XL Free Float AR-15 Handguard - M-LOK - 9"
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
San Tan Tactical Enhanced AR-15 Bolt Carrier Group - 5.56 - Nitride
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.
Builds Featuring This Part
See all 2 →Builds in the community that include the Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R
| Build | Parts | Total |
|---|---|---|
 | 8 | $1575.33 |
 | 30 | $2820.74 |
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