PHOENIX ARMS MODEL HP25A IS A SINGLE ACTION SEMI-AUTO .25 ACP PISTOL WITH A 9-ROUND CAPACITY MAGAZINE THAT PROVIDES A COMPACT YET COMFORTABLE GRIP IN A SIZE OF JUST 4.1 BY 5.5 INCHES AND A WEIGHT OF 20 OUNCES. FEATURES INCLUDE 3-INCH VENTED RIB BARREL SERRATED TRIGGER ADJUSTABLE REAR SIGHT MAGAZINE INTERLOCK WITH A MANUAL SLIDE HOLD OPEN EXTERNAL HAMMER AND FIRING PIN BLOCK SAFETY.