The Dickinson Adam 1911 Mesopatamia is a full-size 1911-style pistol chambered in .45 ACP. It pairs a 5-inch stainless steel barrel with a steel frame that has an integrated beavertail, and the slide carries B-pattern serrations. The pistol runs a single-action-only trigger with a manual thumb safety and holds 8+1 rounds. 
 

Key Specifications 

• Brand: Dickinson LLC 
• Model: Adam 1911 Mesopatamia 
• Caliber: .45 ACP 
• Action: Single Action 
• Capacity: 8+1 
• Barrel Length: 5" 
• Weight: 2.43 lbs 
• Frame Material: Steel 
• Barrel Finish: Stainless 
   

Detailed Features 

• Full-size steel frame with an integrated beavertail for a higher, more controlled grip 
• Stainless barrel finish set against a steel slide cut with B-pattern serrations 
• Single-action-only trigger paired with a manual thumb safety 
• Ships with one 8-round magazine for the 8+1 capacity 
• Government-size 1911 dimensions and controls for familiar handling

Owners of steel-frame 1911s like the Adam Mesopatamia tend to focus first on fit and finish. A forged steel frame and barrel give the pistol a solid, dense feel, and most shooters find the slide-to-frame fit tight from the factory. Some note a short break-in period before the action smooths out, and a few mention wanting to check the extractor tension before running it hard, which is a common step with any new 1911.

The beavertail grip safety and single-action trigger are usually the highlight for people who grew up on the 1911 platform. The flat, short trigger pull and the thumb safety make the manual of arms familiar, though the full-size steel frame and 5-inch barrel add enough heft that some owners prefer it for range or home defense over all-day concealed carry.

Value opinions split along expectations. Buyers who know the 1911 aftermarket well appreciate that grips, sights, and small parts are easy to source and swap on this pattern, and the stainless barrel finish holds up well to regular cleaning. Owners coming from polymer pistols sometimes find the price harder to justify once they factor in the extra weight and the smaller magazine capacity compared to modern striker guns.