For serious shooters seeking a balance of precision, reliability, and tactical versatility, the right semi-auto platform makes all the difference. Whether you’re dialing in long-range groups, working through drills on the range, or configuring a do-it-all rifle for multiple roles, component choice and build quality are critical.

BLACKOUT DEFENSE Q15A QUANTUM is built around a 223 Wylde chamber and tuned for accuracy with a 1/8″ twist rate.

Key features that matter on the range

This rifle’s 223 Wylde chamber combines the accuracy potential of .223 Remington with safe tolerance for 5.56-style pressures, giving shooters flexibility in ammo selection. The 1/8″ twist rate stabilizes a broad range of bullet weights — ideal for 55–77 gr profiles common in precision and practical applications. The Blackout Defense 0 set trigger offers a crisp, repeatable break for tighter groups and faster follow-up shots.

Hardware choices are equally practical. The Keymo flash hider reduces muzzle signature and maintains compatibility with Keymo-type accessories. An adjustable gas block allows tuning for suppressed and unsuppressed fire or when running varied ammunition, improving reliability and reducing felt recoil. The ambidextrous charging handle supports left- and right-handed shooters and rapid manipulations during training.

Accessories in the package include a 1-30 round magazine plus the original box and manual. As a Certified Used offering, the rifle carries the reassurance of quality: when you see the Certified Used stamp on any of our firearms, you can be confident that you’re getting exactly what you want – a gun only in very good to excellent condition and held to the highest quality standard. All Certified Used Guns come with a ‘no questions asked’ return policy. View product details and pricing Shop this product.

Optimal uses and configuration tips

For precision practice and matches, pair the rifle with a mid-to-high magnification optic and quality match-grade ammunition to capitalize on the 1/8″ twist and the zero-set trigger. For duty or defensive applications, keep the gas block tuned for reliability with common defensive loads and add a low-power variable optic for fast target acquisition. The ambi charging handle and Keymo-compatible muzzle device make accessory selection straightforward.

Pricing and purchase path

At $2,399.99 for a Certified Used unit, this build represents a durable, performance-focused option for shooters who want near-new condition and full documentation. Check current availability and secure purchase details at the retailer link below.

Ready to see specifications, photos, and the certified condition report? Check availability and secure this BLACKOUT DEFENSE Q15A QUANTUM through the listed shop page, which links directly to the retailer purchase flow.

People Also Ask