Lightweight, compact rifles chambered in 300 BLK have become a go-to choice for close-quarters tactical work and suppressed night operations. They balance terminal performance, controllability, and platform versatility for operators and serious enthusiasts who need a dependable semi-auto that doesn’t sacrifice capability for size.
DIAMONDBACK DB15
HWK XL 5.56 Giveaway
No purchase necessary
Entry link emailed immediately
A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).
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Platform overview
The DIAMONDBACK DB15 is built around a 10″ Diamondback Barrels 300 blk heavy barrel, constructed from 4150 chromium-moly (CrMoV) steel with a black nitride finish. The 1:8″ twist provides reliable stabilization across supersonic and subsonic 300 BLK loads. A pistol-length gas system is paired to tame recoil impulse on the short barrel, which contributes to the rifle’s compact 23″ overall length and 5.1 lb weight.
Build quality and key components
Reliability-focused details include a shot-peened, magnetic particle inspected Mil-Spec 8620 carrier BCG and forged 7075 T-6 aluminum upper and lower receivers—lower specified as Diamondback Carbon. The handguard is a 9-slot M-LOK rail for low-profile accessory mounting, while the MOE grip and buffer tube foam pad prioritize shooter comfort and control. The DB15 ships without sights, leaving the flattop A3 forged upper open for red dots or low-power variable optics.
Control, muzzle, and magazines
Primary controls are standard, with a standard trigger and a 28-round CPD magazine for extended on-target time between reloads. The muzzle is finished with an A2 flash hider in 5/8 x 24 threads—clear information for buyers planning suppressor or muzzle device changes.
At a retail price of $654.99, the DIAMONDBACK DB15 delivers a purpose-built 300 BLK carbine package aimed at operators and precision-minded shooters who need a compact, hard-hitting rifle. View product details and pricing to see full specs and images on the product page.
Whether you’re building a suppressed patrol rig or a compact defensive platform, the DIAMONDBACK DB15’s short, heavy 10″ barrel, quality BCG, and forged 7075 receivers make it a practical choice. Check current availability on the shop page to secure one for your kit: Check current availability.
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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