The Century Arms AP5-SD is chambered in 9mm, with a capacity of 30+1 rounds, has an overall length of 24.75/30 inches, a width of 2.3 inches, a height of 8.3 inches, a cold hammer forged barrel length of 5.75 inches and an unloaded weight of 6.66 lbs (3kg). The AP5-SD is suppressor ready with an optional Magpul MP BSL Brace, 1/2×28 thread and 3 lug adapter, equipped with a removable Faux Suppressor and ambidextrous selector. It has a MP5 Navy style grip and comes with a Claw mounted 1913 Picatinny Rail.