This review compares the Grand Power SP9A3 delayed blowback pistol to its A1 direct blowback predecessor. The A3 features a delayed blowback system for reduced reciprocating mass and a softer shooting experience, making it ideal as a suppressed 9mm PDW. Key upgrades include steel-reinforced magazine feed lips to address brittleness issues found in the A1. While both systems are effective, the A3 demonstrates better suppressor performance and a noticeable difference in recoil impulse, though the practical impact on semi-automatic fire is debated.
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