SKU: 155588
UPC: 193212028204
MPN: K251BRBK28
The Retay USA K251BRBK28 Masai Mara Inertia Plus 12 Gauge 3.5" semi-automatic shotgun is purpose-built for tactical operators, law enforcement professionals, and serious sport shooters who demand a reliable platform capable of handling full-power magnum loads. This semi-auto delivers the versatility of 4+1 capacity with standard 2.75" shells or the extended 3.5" magnum option, making it equally effective for dynamic entry work, breaching operations, or competitive 3-gun environments. The Inertia Plus operating system cycles reliably across the full spectrum of shotgun ammunition, from light target loads to heavy buckshot, with minimal maintenance demands.
The deep-bore drilled 28" barrel pairs with a bronze receiver and barrel finish that resists corrosion during extended field operations, while the black synthetic furniture eliminates weight without sacrificing durability. The integrated sling swivel mount accommodates both traditional two-point and single-point configurations for dynamic carry positions. Factory-installed TruGlo red fiber optic front sight provides rapid target acquisition in variable light conditions—critical for time-constrained tactical scenarios where precision seconds matter. At 17.8 lbs, the shotgun balances controllability with sufficient mass to manage 3.5" magnum recoil impulse, enabling faster follow-up shot placement compared to lighter platforms.
Law enforcement agencies and military units benefit most from the Masai Mara's ability to transition seamlessly between ammunition types without bolt adjustments or cycling issues—a critical advantage during unpredictable deployment scenarios. The deep-bore design maximizes pattern consistency across shot distances, making it suitable for both close-quarters and mid-range engagements. Operators integrating aftermarket optics will find the receiver profile compatible with standard Picatinny rail systems. The synthetic stock absorbs weathering and training wear better than wood, while the 3.5" chamber capability ensures compatibility with specialized ammunition such as breaching rounds, slugs, and specialty loads available through professional ammunition manufacturers.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
