Adams Arms P1 Pistol 5.56 NATO 11.5 in. Black 30 rd.

About this product

The Adams Arms P1 pistol is an AR-style compact platform chambered for 5.56 NATO with an 11.5-inch barrel. It employs a carbine short-stroke piston operated gas system and a Picatinny-railed gas block with three adjustable settings for on-gun tuning. The barrel is 4150 Chrome Moly Vanadium Steel with a QPQ Melonite/black nitride finish and the muzzle features an A2 flash hider; the pistol ships with an A2 grip.

Key Specifications

• The manufacturer is Adams Arms.
• The model designation is P1 pistol.
• The chambering is 5.56 NATO.
• The barrel measures 11.5 inches.
• The advertised capacity is 30 rd..
• The barrel material is 4150 Chrome Moly Vanadium Steel.
• The surface treatment is listed as QPQ Melonite/black nitride finish.
• The muzzle device is an A2 flash hider.
• The operating system is a carbine, short stroke piston operated gas system.
• The unit includes a Picatinny railed gas block with 3 adjustable settings.
• The listed weight is 8.4 (unit not specified in source data).

Purpose-built for controlled handling in compact form, the P1 offers a piston-driven alternative to direct impingement AR platforms. Its combination of a short 11.5-inch barrel, adjustable railed gas block, and durable barrel treatment make it well suited for range use, training, and defensive applications where legal. The P1 delivers a familiar ergonomics package with an AR-style control layout and a compact footprint for users who favor a shorter barrel without sacrificing tuneability.

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