Yankee Hill Machine Complete AR-15 Lower Receiver - M4 Stock

Manufactured by Yankee Hill Machine
SKU: YHM-128
MPN: YHM-128
Manufactured by Yankee Hill Machine
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NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.

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 Yankee Hill Machine AR-15 Complete Lower receiver is forged from 7075-T6 aluminum, Mil-Spec hardcoat anodized, and 100% machined in house at the YHM factory. This forged AR-15 lower receiver features standard Mil-Spec dimensions and comes finished with a Mil-Spec parts kit and A2 pistol grip. The lower comes fully assembled and ready to go with an M4 carbine stock assembly. It also features an enlarged magazine well flare for fast mag changes. If you are looking for a premium AR-15 lower receiver, you can’t go wrong with Yankee Hill Machine.

  • Forged 7075-T6 aluminum
  • Mil-Spec hardcoat anodized black
  • 100% machined in house
  • Flared magazine well
  • Mil-Spec parts kit
  • A2 pistol grip
  • M4 carbine stock
  • Weight: 2.2 lbs

Yankee Hill Machine stands by their products and meticulously inspect each product before they ship it out. Their quality assurance program adheres to strict military standards and use the most modern equipment. Not only are is the inspection equipment state of the art, but they manufacture their own tools to make sure that each part is machined precisely the way it needs to be. They have a highly skilled and diverse workforce that is committed to insure your satisfaction 100%.
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AssemblyComplete Assemblies
BrandYankee Hill Machine
Caliber MarkingMulti-Caliber
FinishHardcoat Anodized
Receiver Material7075-T6 Aluminum
Trigger Pin DiameterMIL-SPEC .154
Weight2.2 lbs.

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