F-1 Firearms Dynamis-15 Billet AR-15 Receiver Set

Manufactured by F-1 Firearms


Out of Stock

NOTE: Limit 5 per household. Quantities exceeding 5 will not allow checkout.


Out of Stock

Items that are regulated by the ATF have restrictions and requirements:
•Your entire order will ship only to a Federal Firearm License holder.
•Current processing time is approximately 14 to 16 days.
•NJ, NY and CA are not able to accept transfers at this time.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers. Due to Covid-19 many are no longer open
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.


The F-1 Firearms Dynamis-15 Receiver set features a custom billet design machined from a block of 7075-T6 aluminum. The lower receiver features a skeletonized design and the magwell is beveled to allow for faster magazine changes. It also features an oversized trigger guard to accommodate gloved use and the integral design offers more strength than traditional roll pin designs. The top picatinny rail is scalloped to help reduce weight. The F-1 Dynamis-15 Billet Matched AR-15 Receiver Set is great for building a solid Mil-Spec rifle with a little flair.

  • Machined from 7075-T6 billet aluminum
  • Hardcoat anodized black
  • Skeletonized magazine well
  • Scalloped picatinny rail
  • 60° beveled magazine well
  • Includes front and rear takedown pins
  • Includes threaded bolt catch screw, receiver tension screw, and takedown pin detent

Additional features of this AR-15 receiver set is a receiver tension screw, threaded bolt catch roll pin, and threaded takedown pin detent, to make installation easier. The lower and upper receiver are type III class 2 hardcoat anodized for additional corrosion and wear resistance.

F1-Firearms is a Texas based manufacturer of high quality AR-15 and AR-10 rifles. They are known for their fully skeletonized receivers that reduce weight without sacrificing strength and highly accurate 416R stainless steel barrels. Whether you are building your own or buying a prebuilt, F1-Firearms has the competition rifle for you.


BrandF-1 Firearms
Caliber MarkingMulti-Caliber
FinishHardcoat Anodized
Receiver Material7075-T6 Aluminum
Trigger Pin DiameterMIL-SPEC .154
Forward Assist
Port Door

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

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