The B&T GHM45 is a semi-automatic pistol chambered in .45 ACP, built around an aluminum receiver with a black hard coat anodized finish. Its 6.88-inch barrel, 25+1 round capacity using Glock-compatible magazines, and ambidextrous safety make it a practical choice for tactical use and competitive shooting. 
 

Key Specifications 

• Manufacturer: B&T Firearms 
• Model: GHM45 
• Type: Semi-Auto Pistol 
• Caliber: .45 ACP 
• Barrel Length: 6.88" 
• Capacity: 25+1 rounds (Glock compatible) 
• Overall Length (OAL): 17.80" 
• Weight: 5.50 lbs 
• Sights: Optic Ready 
• Muzzle Type: Tri-Lug 
• Twist Rate: 1:10" 
• Grips Material: Black Polymer 
• Receiver Material/Finish: Aluminum / Black Hard Coat Anodized 
• Safety Features: Ambidextrous 
   

Detailed Features 

 
The optic-ready mounting surface accepts a range of red dot sights without additional machining. The tri-lug muzzle provides a standard attachment point for suppressors and other muzzle devices. Ambidextrous controls work for both left- and right-handed shooters. A 25+1 capacity in .45 ACP is notably high for the caliber, reducing the need to reload during extended range sessions or in demanding situations. Glock magazine compatibility is a practical advantage. Magazines and accessories are widely available. 
 

Target Audience 

 
The GHM45 is aimed at tactical professionals, competitive shooters, and collectors who want a high-capacity .45 ACP platform with optics and suppressor readiness. 
 

Usage Scenarios 

 
The .45 ACP caliber and high-capacity magazine make this a capable home defense option. In action shooting competition it handles rapid follow-up shots well thanks to the semi-automatic action. The aluminum construction and anodized finish can handle hard use in law enforcement or range training environments.

Discussion around the B&T GHM45 Gen 1 Tactical .45 ACP covers a few consistent themes.

Build quality is consistently praised. Users point to solid construction and ergonomics that hold up under extended range use. The feel of the pistol gets good marks for both recreational and tactical applications.

The .45 ACP caliber is well-received for its terminal performance. Recoil opinions vary. Some find it manageable, others note it requires more control compared to lighter calibers.

The 25+1 capacity is repeatedly cited as a standout feature for a .45 ACP. Traditional .45 handguns carry far fewer rounds, so the GHM45's magazine capacity gets attention.

Optics readiness is a draw for shooters who run red dots. The ability to mount a sight without modification keeps setup straightforward.

Glock magazine compatibility is a practical selling point. Existing Glock owners can use magazines they already have, and replacements are easy to source.

Price draws mixed reactions. Some consider it fair for the feature set; others compare it to less expensive alternatives in the .45 ACP market and want more for the cost.

Reliability is generally positive, with occasional notes about ammunition sensitivity. Specific brands or loads may run better than others.

Aesthetics divide opinion. The modern tactical profile appeals to many, while some prefer more traditional handgun designs. Overall the GHM45 is well-regarded among those looking for a high-capacity .45 ACP with serious accessory support.