AR-15 P1Series 16" Upper Receiver Black 5.56mm Mid-Length

Best price

$599.39at Brownells

checked Nov 24, 2018

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$599.39checked Nov 24, 2018	Check store	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

About this part

The AR-15 P1Series 16" Upper Receiver Black 5.56mm Mid-Length is a 16" 5.56 / .223 upper receiver from Adams Arms. One store lists it, Brownells at $599.39.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system: Mid-length · Handguards
Barrel length: 16" · Handguards

Specifications

Manufacturer: Adams Arms
Color: Black
Platform: AR-15
Caliber: 5.56 mm NATO
Barrel length: 16"
Length: 16

From the manufacturer

The Adams Arms P1 Upper Receiver is an innovative, short stroke piston system ready to install on your AR-15 lower. Because the P1 Upper Receiver is a gas piston system, it runs cooler, cleaner, and more reliably than those with a direct gas impingement system.

To eliminate any carrier tilt that might damage the receiver extension, the P1’s bolt carrier is equipped with enlarged "skis" to guide it into the tube. An integrated piston strike face on the one-piece, solid steel bolt carrier delivers long-lasting reliability, while the spring loaded bolt assembly ensures proper lock-up for reduced bolt bounce and cam pin wear.

Mid-length piston system
Magpul MOE handguard
16" barrel, 1-7" twist
A2 flash hider

Adams Arms gave their P1 Upper Receiver a tough, durable QPQ Melonite finish for an extremely hard, slick surface resistant to carbon build-up, resulting in increased corrosion resistance and longer service life.