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Questions & Answers
Does this come with BCG and Charging handle? Expert Answer

Yes, the Adams Arms P1 Complete Upper AR-Platform 5.56x45mm NATO comes with a BCG and Charging Handle.

by Hunter, Gear Expert, June 9, 2022
Will a Binary Trigger or a Wide Open Trigger work with the BCG

Yes, it’s Full Auto rated. Any bolt that’s full auto rated will work

by Aaron Goodman, Verified Owner, February 13, 2022
Customer Reviews
Helpful Positive Review Certainly Worth the Money by JohnBoy, March 6, 2022
Wanting a piston upper for a build, I researched and heard only good things about Adams Arms. This is high end manufactured and at this price, a no brainier. The QPQ melonite treated parts are said to be very a good quality of theirs. My build operat...
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3/3 found this helpful
Helpful Positive Review Buy it before its gone. by LetsGoBrandon, Verified Owner, March 13, 2022
I got this upper, paired with a Fostech echo binary trigger. Absolutely money. All i can recommend is covering the piston with some lube and away you go. Good tight fit with the lower i got from PSA. Durable finish. Adams Arms makes amazing stuff.
2/2 found this helpful
Helpful Positive Review YES SIR! MAY I HAVE ANOTHER! by Big Jake, September 24, 2021
You want to go "gas(-piston)"? This thing kicks "a**"! Dadgum it. If it's in stock, son, get it! Especially THIS one, which does not require a free-floating handguard. Mod it to your heart's content. THIS one is the best way to start out with g...
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2/2 found this helpful
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Product Discontinued by Manufacturer

Adams Arms P1 Complete Upper AR-Platform 5.56x45mm NATO 11.5" has been discontinued by Adams Arms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

Product Info for Adams Arms P1 Complete Upper AR-Platform 5.56x45mm NATO 11.5"

Adams Arms FGAA01358 P1 Complete Upper AR-Platform 5.56x45mm NATO 11.50" Black - 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.image

Features:

  • Upper Receiver: A4 Flat-Top, Forged
  • Chrome Lined: No
  • Barrel Finish: QPQ Melonite / Black Nitride
  • M4 Feed Ramps: Yes
  • Bolt Carrier: Full-Auto Rated 1-Piece w/Integral Piston Strike Face
  • M4 Handguards
  • No Sights

Adams Arms FGAA01358 P1 Complete Upper AR-Platform 5.56x45mm NATO 11.50" Black

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Adams Arms P1 Complete Upper AR-Platform 5.56x45mm NATO 11.5" Unavailable & Discontinued Models

List of Unorderable Models

Adams Arms P1 Complete Upper AR-Platform 5.56x45mm NATO 11.5, Black, FGAA01358 , MPN: FGAA-01358 , UPC: 812151024671 , Code: ADA-UFH-FGAA01358
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