Clean, Match-Grade Performance: Commonwealth 40 S&W 180gr CMJ

Traditional Full Metal Jacket (FMJ) ammunition leaves the lead base exposed to burning propellant gases, releasing vaporized lead into the air with every trigger press. The Commonwealth Ammunition 40 S&W 180gr CMJ round eliminates this issue by utilizing an advanced Complete Metal Jacket (CMJ) design. The electrochemically bonded copper jacket fully encloses both the sides and the base of the bullet, keeping the lead core completely sealed off from muzzle flash and hot gases. The result is significantly cleaner shooting, drastically reduced barrel fouling, and minimal airborne heavy metal exposure.

Optimized 180 Grain Ballistics & Recoil Management

Engineered specifically for duty handgun platforms, pistol-caliber carbines, and action-shooting competition, this heavy 180 grain profile offers critical advantages over lighter bullet weights:

• Softer Recoil Impulse: The 180 grain projectile produces a smooth, predictable “push” rather than the sharp, snappy muzzle snap common with lighter .40 caliber loads, allowing for faster sight recovery and split times.

• Enclosed Base Cleanliness: Prevents lead vaporization at the breach and compensator, keeping your firearm’s internals, optics lenses, and training environment cleaner.

• Consistent Velocity & Cycling: Precision-metered clean-burning powders guarantee uniform pressures that reliably cycle full-size duty pistols and tuned competition guns alike.

• Competition Ready: Meets standard Major Power Factor requirements for USPSA/IPSC divisions while staying flat-shooting and reliable.

Loaded to Strict SWET™ Manufacturing Guidelines

Every round of Commonwealth Ammunition 40 S&W 180gr CMJ is manufactured under strict SWET™ (Same Way Every Time) production protocols. Built using premium reloadable brass casings, precision non-corrosive primers, and uniform crimping tolerances, each cartridge undergoes 100% chamber-gauge testing and visual inspection. Whether you are running high-round-count training courses or competing on match day, expect reliable feeding, consistent ignition, and match-grade group sizes from every box.

Specifications:

• Caliber: .40 S&W

• Bullet Weight: 180 Grain

• Bullet Type: Complete Metal Jacket (CMJ)

• Case: Brass

• Box Size: 50 Rounds

• Made in the USA