Inspired by the legendary HK53, the Century Arms AP53 is a compact yet powerful pistol chambered in 5.56x45mm NATO. Built by military manufacturer MKE and rigorously tested to NATO environmental standards, the AP53 offers the iconic roller-lock delayed blowback action known for its reliability and smooth operation. This pistol features an 8.3" cold hammer-forged barrel, a classic Navy-style ambidextrous selector, and an MP5-compatible wide handguard, making it an ideal choice for collectors, enthusiasts, and tactical operators. Key Features Caliber: 5.56x45mm NATO Action: Semi-automatic, roller-lock delayed blowback Barrel: 8.3" cold hammer-forged, optimized for durability and accuracy Sights: Fixed front sight and fully adjustable rear sight for precision targeting Muzzle Device: 4-prong flash hider for effective muzzle signature reduction Handguard: MP5-compatible wide handguard for enhanced grip and heat dissipation Receiver: Stamped construction for lightweight durability Selector: Navy-style ambidextrous selector for quick and versatile control Trigger: Standard HK33 trigger setup for familiarity and consistency Testing: NATO environmental standards-resistant to salt, fog, humidity, extreme temperatures, sand, and dust Specifications Overall Length: 22.3" Weight: 7.2 lbs (unloaded) Width: 2.2" Height: 10" Magazine: 2x 30-round HK33 pattern polymer magazines Finish: Black, corrosion-resistant Stock Material: Synthetic Compatibility: MP5 wide handguard and HK33 pattern magazines