P1 Upper Features The Adams Arms P1 model is the perfect platform for shooters who enjoy building and customizing their rifle. The P1 model includes our Picatinny Railed Gas Block with 3 adjustable settings and M4 furniture. The P1 is your Piston Driven foundation, ready to be customized to fit your needs. P1 Upper Specifications Caliber: 5.56x45mm NATO Model: P1 Barrel Length Range: 11″ to 11.99″ Sights: None, Optic Ready Muzzle: A2 Flash Hider Firearm Fit: AR Platform Handguard Finish: Black Handguards: M4 Receiver Finish: Black Receiver Material: Aluminum Thread Pattern: 1 / 2″-28 tpi Twist: 1:7″ Weight: 3.70 lbs Barrel Description: 4150 Chrome Moly Vanadium Barrel Finish: Black Nitride Barrel Material: Steel Barrel Length: 11.50″
Barrel Length
11.5
Caliber
5.56
Condition
New in Box
Finish Per Color
Black
Manufacturer Part Number
FGAA01358
Model
P1 Upper
Type
Uppers
UPC
812151024671
The Adams Arms P1 Upper provides a reliable, durable, and lightweight option for an AR-style rifle or pistol platform. It comes chambered in 5.56 NATO with an 11.5 inch barrel. Features include an optics ready flat-top, a forward assist, and a dust cover. Get this upper today for the best price online from GrabAGun!