Adams Arms P2 5.56 NATO Piston Upper - 7.5''

Manufactured by Adams Arms
SKU: FGAA-01304
MPN: FGAA-01304
Manufactured by Adams Arms
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NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.



Note: The barrel is less than 16” and must be attached to a pistol or registered SBR lower. All NFA and local laws and regulations apply.

The Adams Arms P2 5.56 Complete AR-15 Piston Upper Receiver Group is built for duty use. It features their proprietary low profile piston system with plenty of gas adjustment for shooting suppressed, unsuppressed, super, and sub sonic ammunition, depending on what you want. The 7.5” barrel is machined from 4150 Chromoly steel with a government profile and Black Nitride finish. It is threaded 1/2x28 and comes with an A2 style flash hider attached. The P-Series M-LOK free float handguard features a lightweight and ergonomic design with anti-rotation tabs and plenty of room for customization.

  • Chambered in 5.56 NATO
  • Pistol length short stroke piston
  • 7.5” barrel with 1:7 twist
  • Government profile and Nitride finished
  • Threaded 1/2x28
  • Ambidextrous charging handle
  • Full auto rated proprietary BCG
  • M-LOK free float handguard
  • Weight: 3.5 lbs

The upper receiver is forged from aluminum and features an M4 flat top design for attaching optics. It utilizes a bolt carrier group with integral piston strike face for the pistol length short stroke system. It also features an ambidextrous charging handle and is compatible with Mil-Spec lower receivers.

Adams Arms is committed to providing cutting edge technology that meets the real needs of the modern warrior through the development of high-quality products that improve performance and minimize maintenance.
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AssemblyComplete Assemblies
Barrel ContourHeavy
Barrel Length7.5
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandAdams Arms
Caliber Gauge5.56 NATO
Gas System LengthPistol
Gas System TypeShort Stroke Gas Piston
Muzzle DeviceA2 Flash Hider
Twist Rate1:8
Weight3.5 lbs.

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