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Diamondback
Overview
The Diamondback 223WR18H50B7 is an 18" barrel designed specifically for .223 Wylde, allowing for reliable chambering of both .223 Remington and 5.56 NATO cartridges. This barrel length offers a balance of velocity and maneuverability, making it suitable for a variety of shooting applications. Builders often incorporate this barrel into mid-length gas system setups, which enhances reliability while providing a softer recoil impulse.
Diamondback 223WR18H50B7 223 Wylde 18\" Black QPQ Stainless Steel Barrel
Prices checked
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today only Classic Firearms has it in stock. Prices barely moved in October 2026, holding around $91, with no real sale all month. Buying today, the lowest price is $91 at Classic Firearms, which matches the best price we saw in October.
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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Builds in the community that include the Diamondback 223WR18H50B7 223 Wylde 18\" Black QPQ Stainless Steel Barrel
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $616.85 |
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