The .300 BLK cartridge has earned a strong following for its versatility in both suppressed and unsuppressed roles, offering a compact, powerful option for operational and range use. For shooters and units that need a platform capable of handling a wide range of loads without extensive swaps or compromises, the right rifle design makes all the difference.

B&T APC300 PRO CT brings the APC family ergonomics and modularity to the .300 BLK cartridge while solving the common challenges of tuning for super- and subsonic ammunition.

Design and tunability

The APC300 PRO CT shares the same dialed-in ergonomics, handling and modularity features that made the APC9 popular, scaled for .300 BLK. A standout engineering feature is the adjustable gas valve positioned forward of the handguard. This placement allows the operator to tune gas flow to the system quickly and precisely, compensating for differences between suppressed subsonic loads and unsuppressed supersonic ammo.

Adjustable gas valve: practical benefits

With the gas valve forward of the handguard, users can dial back gas to reduce wear and recoil impulse when running heavy suppressed subsonic rounds, or increase gas to ensure reliability with hotter supersonic ammunition. That tunability makes the platform adaptable in multi-role environments and reduces the need for multiple upper assemblies.

Operational context and training economy

Because the APC300 PRO CT closely mirrors the size, weight, and controls of the APC223/556 platforms, many units and individuals adopt a mixed approach: use APC223/556 variants for cost-effective training and retain the APC300 PRO CT for operational tasks that require true .300 BLK capability. This strategy mitigates ammunition expense while preserving competency on a near-identical control set. View product details and pricing

Why .300 BLK matters

The .300 BLK offers real-world benefits: effective terminal performance from a compact package, excellent suppressed performance with subsonic projectiles, and compatibility with standard AR-type magazines and bolt faces in purpose-built designs. For operators who need a multi-role semi auto platform in a compact form factor, the APC300 PRO CT is purpose-built to exploit those advantages.

As a semi auto platform from B&T priced at $3,679.99, the APC300 PRO CT brings professional-grade ergonomics and a forward-position adjustable gas valve to shooters who need reliable performance across a broad ammo spectrum. Shop this product or Check current availability to evaluate how this platform fits your mission set.

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