AR500 10″ Steel Target – Square

AR500 10″ Steel Target – Square


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  • Additional information
  • AR500 Steel
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AR500 10″ Steel Target – Square

Manufactured in the USA by MK Machining.  Available in a bare or white painted finish.

Waterjet cut for edge to edge durability and a longer lasting target.  The MKM AR500 10″ steel target is a 3/8″ thick and ready for punishment.  One carriage bolt hole, top center, is perfect for MKM T-Post mount.  Opt to have your target painted white for just $1 in the options above.  Non-Gridded steel targets are your best option if shooing pistol under 100 yards, as it reduces the possibility of a ricochet.

Minimizing Penetration & Damage

To minimize penetration and pitting to your AR500 Steel Targets, keep your impact energy around 2500 ft-lbs and under 2750fps.

We also offer a gridded version here to help with fast group estimation – AR500 10″ Gridded Steel Target

Additional information

Weight 16 oz

About AR500 Steel

The nomenclature, AR500 commonly heard when referring to steel targets, is referring to Abrasion Resistant (AR) steel with a Brinell Hardness of approximately 500.

AR500 steel is a low alloy steel that is quenched and tempered to a harness of 47 – 54 HRC (Rockwell Hardness) or 470 – 540 HBW (Brinell Hardness). Typical uses for AR500 include mining applications, or any surface that is going to be subject to excessive abrasive stress, my favorite use is for targets. Due to the steel’s hardness, drilling, machining, and cutting can be difficult. Most targets are cut using laser, plasma, or waterjet due to ease and their ability to quickly cut through hard steels. However, because the steel has been quenched and normalized, heating it above a temperature of 400 degrees Fahrenheit will reduce the hardness and strength of the steel. For instance, most very hard tool steels are tempered at a low temperature, while springs are tempered at a much higher temperature. Exceeding this critical temperature has serious consequences when trying to withstand objects flying at high velocities. This fact alone makes waterjet cutting the superior method for cutting AR500 steel. A target cut with waterjet will maintain a hardness of 47 – 54 HRC throughout the entire plate while a plate cut with a plasma or laser table will have reduced hardness and strength around the edges of the target.


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