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
Available Merchants(5)
Prices checked
Price Alert
October 2026 on GunPartPicker
Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R ranked #36 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #57 of the 1,044 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on pistol-length gas, and mostly AR-15 (87%, then AR-9 13%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 4 of the 5 retailers we track have it in stock. It dipped to $78.20 at KY Gun Company for a stretch in October 2026, under its usual $81.93, so sales do come around. Buying today, the lowest price is $77.99 at Optics Planet, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the 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"
NBS Enhanced AR-15 Mil-Spec Charging Handle
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
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 builds →Builds in the community that include the Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R
| Build | Parts | Total |
|---|---|---|
 | 8 | $1303.55 |
 | 30 | $2895.06 |
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