Diamondback DB15 AR Lower, Black - DB2210R001
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Diamondback
Overview
The Diamondback DB15 AR Lower is a stripped lower receiver designed for AR-15 builds, crafted from durable 7075-T6 aluminum and finished with hardcoat anodizing for enhanced wear resistance. With a caliber designation of Multi, this lower is versatile enough to accommodate various calibers, and its non-ambi controls provide a streamlined interface for right-handed shooters. This lower commonly appears in builds utilizing an extended rifle gas system, making it suitable for those looking to create a reliable, accurate shooting platform.
Specifications
September 2026 so far on GunPartPicker
Diamondback DB15 AR Lower, Black - DB2210R001 ranks #22 of the 477 lower receivers builders have added on GunPartPicker so far in September 2026, behind the Colt M4 Commando 5.56mm Semi-Auto Lower Receiver Assembly With "LE" Prefix, with about 1 in every 167 lower receivers added to builds. Up from #71 in August. Builds with this lower receiver are split between 5.56 NATO (50%) and 300 Blackout (33%), split between pistol-length (38%) and mid-length (38%) gas systems, and nearly all AR-15.
It was hard to find in August 2026, in stock on only 11 of the 26 days we checked, and today 4 of the 7 retailers we track have it in stock. The best price drifted down from $67.78 to $64.99 over August 2026 without a real sale. Buying today, the lowest price is $65 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 82 builds that include this one
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Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
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Radian Weapons Talon Ambidextrous Safety Selector 2-Lever KIT - Radian Grey
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 1 →Builds in the community that include the Diamondback DB15 AR Lower, Black - DB2210R001
| Build | Parts | Total |
|---|---|---|
 | 23 | $996.40 |
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