The ProMag Heckler & Koch (H&K) USP Full Size Magazine .45 ACP Blued Steel 12/Round is built to keep your USP running smoothly with a dependable secondary source of ammunition. Constructed from heat-treated blued steel and paired with a durable DuPont Zytel-based polymer follower, this magazine is engineered for consistent feeding and long service life in your full-size USP pistol.

This 12-round magazine is ideal for range sessions, training, or as a dedicated spare for home defense setups where reliability matters. Its flush-fitting profile maintains the familiar handling of the factory magazine while the chrome-silicon spring helps preserve tension over extended use. Whether you are refining your skills or simply expanding your loadout, this magazine reflects ProMag’s focus on practical design and dependable performance.

Key Features:

• Manufacturer: ProMag
• Model: USP
• Caliber: .45 ACP
• Capacity: 12-round
• Compatible Firearm: Heckler & Koch USP Full Size
• Body Material: Heat-treated blued steel
• Follower Material: DuPont Zytel-based polymer
• Spring Material: Heat-treated chrome-silicon wire