BinTac/AEA S45 .45 Cal Semi-Auto

The BinTac S45 is a very hard-hitting semi-automatic .45 caliber big bore PCP air rifle delivering between 300–350+ FPE — matching or exceeding standard .45 ACP ballistics in an air-powered platform. Featuring gas-operated semi-automatic cycling, dual-tank air configuration, integrated shroud silencer and muzzle brake, and Picatinny rail for optics. Available in two configurations: the 4,500 PSI long-barrel version for maximum shot count and velocity with heavy slugs, and the 7,000 PSI compact version for shooters who want the same big bore performance in a shorter, more maneuverable package.

Overview:
The S45’s gas-operated semi-automatic action delivers rapid-fire big bore shooting capability with the 6-shot CNC detachable magazine, and the dual-tank front and rear bottle setup manages the heavy air consumption demanded by the .45 caliber platform. The integrated shroud silencer and muzzle brake mitigate extreme muzzle blast and recoil for improved control and comfort during extended shooting sessions.

The 4,500 PSI version features a 24″ barrel and 850–950cc dual-tank system for maximum velocity with 235-grain slugs at 800+ FPS and 18+ effective shots per fill. The 7,000 PSI version trades barrel length for a more compact 36″ overall length — using an inline 4,500 PSI rear tank regulator to ensure consistent shot-to-shot velocities across the high-pressure system, delivering 800+ FPS with 200-grain slugs for 12+ effective shots per fill.

Key Features:

• Gas-operated semi-automatic action for rapid-fire big bore shooting
• 300–350+ FPE — matches or exceeds standard .45 ACP ballistics
• Dual-tank configuration — front and rear air bottles
• Integrated shroud silencer for reduced muzzle blast
• Integrated muzzle brake for recoil mitigation
• Top-mounted Picatinny/Weaver rail for scopes and red dots
• 6-shot CNC detachable magazine
• 7,000 PSI version features inline 4,500 PSI rear tank regulator for consistent velocities
• Available in 4,500 PSI and 7,000 PSI configurations

Shared Specifications

What’s Included

• BinTac S45 .45 Cal Air Rifle
• Dual air tanks (pre-installed — sizing varies by configuration)
• 2x CNC detachable 6-round magazines
• Fill probe / charging adapter
• Manufacturer’s user manual

FAQ: Why does my BinTac have AEA branding on it?
BinTac-branded airguns are produced in collaboration with AEA.   BinTac LLC designs the specialized tactical models and accessories, which are manufactured using AEA platforms. BinTac LLC also serves as the official U.S. distributor for AEA Airguns.