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Short Barrel Rifle (SBR)

Short Barrel Rifle (SBR)The Short Barrel Rifle (SBR) is designed for close-quarters combat, law enforcement, and tactical operations. Its compact size and maneuverability make it ideal for situations where rapid target acquisition and quick handling are essential. The SBR is also suitable for home defense and personal protection due to its ease of use and effectiveness in confined spaces. All NFA rules apply… for now.

Multi-Purpose Rifle (MPR)

 The Multi-Purpose Rifle is designed to serve a wide range of applications, including hunting, target shooting, and tactical use. Its versatility allows it to be configured for various scenarios, from long-range precision shooting to close quarters engagement. The rifle is built to be reliable, durable, and adaptable, making it a valuable tool for both recreational and professional users

The Pipe Hitter MD10

The Pipe Hitter MD10 is Mitchell Defense’s large-frame rifle platform, built for shooters who need more reach, more energy, and the same accuracy, durability, and reliability standards found across every Mitchell Defense rifle. With premium components, precision barrel options, and chamberings like .308 Win, 6.5 Creedmoor, and 8.6 Blackout, the Pipe Hitter is made for customers who want serious performance from an AR-10 platform.

Thermal Fit Barrels

We heat the billet upper to a precise temperature so the barrel extension thermally locks into the receiver as it cools. That interference fit turns the barrel and upper into a single rigid assembly, cutting barrel shift and improving harmonics. The result: bolt-rifle-level accuracy and a more consistent point of impact under sustained fire and after maintenance.

Frictionless Upper Receiver

Our 7075-T6 billet uppers are machined and precision-ground to ultra-tight tolerances, then matched to an ArmorLube-coated BCG. That combination dramatically reduces internal friction and carbon hang-ups, producing smoother bolt velocity, less wear on contact surfaces, and more consistent cycling — especially during high-round-count use.

Proprietary Flat-Wire Buffer Spring

Our cryo-treated flat-wire buffer spring and matched buffer increase forward pressure and resist fatigue far longer than conventional round wire. Tested well past industry norms, it eliminates the spring “twang,” evens out recoil impulse, and preserves consistent lockup and ejection over hundreds of thousands of cycles — a cornerstone of long-term reliability.