The Iver Johnson 1911 A1 Copperhead is a single-action semi-automatic pistol chambered in .45 ACP with a 5" barrel, 8+1 capacity, and 41 oz weight. The slide has a Copperhead Snakeskin hydrographic finish over steel. The grips are black Dymondwood with double diamond texture. Sights are fixed post front and GI fixed dovetail rear. 
 

Key Specifications 

• Brand: Iver Johnson 
• Model Name: 1911 A1 Copperhead 
• Caliber: .45 ACP 
• Action: Single Action Only (SAO) 
• Capacity: 8+1 rounds 
• Barrel Length: 5 inches 
• Weight: 41 oz (2.56 lbs) 
• Grip: Black Dymondwood, Double Diamond Snakeskin Texture 
• Slide Finish: Copperhead Snakeskin Hydrographic on Steel 
• Sights: Fixed post front, GI fixed dovetail rear 
   

Detailed Features 

The Copperhead Snakeskin hydrographic finish covers the steel slide, giving it a distinctive pattern that differs from standard parkerized or blued 1911 slides. Dymondwood grips are a dense resin-infused wood material that resists warping and provides the double diamond texture for hand traction. GI fixed dovetail rear sights are standard military-spec placement. The 8+1 capacity is one round over the standard 1911 7-round configuration due to the extended magazine. 
 

Usage 

The 1911 A1 Copperhead works for home defense, range shooting, and as a collector piece given the distinctive finish. The .45 ACP SAO configuration is standard 1911 operation. At 41 oz it's a full-weight Government-size pistol.

Owners of the Iver Johnson Copperhead 1911 .45 ACP tend to have divided opinions, with the snakeskin finish being the clearest point of consensus.

The Copperhead Snakeskin hydrographic finish draws consistent positive attention — it's visually distinctive and makes the pistol stand out from standard 1911s. The Dymondwood grips are generally liked for feel and appearance.

Performance reports are mixed. Some owners report reliable function and good accuracy; others note feeding issues with certain ammunition types, which is a recurring reliability concern with this model.

Build quality opinions split between users who find it solid for the price and those who note it doesn't feel as tight as higher-end 1911s. This appears to correlate with price expectations.

Value as a collector piece is noted. The unique finish makes it interesting to 1911 collectors who want something different from production-standard finishes. Customer service experiences with Iver Johnson are mixed in user discussions.