AR15 Mil-Spec Lower Half

Current stock: 0


This Lower Half provides AR15 builders with a perfect Mil-Spec foundation to complete their rifle. Constructed from 7075-T6 Aluminum and covered with a Type III Hard Coat Anodize for added durability.

Federal law requires this product to be transferred through a licensed FFL dealer. Stag Arms requires a copy of the dealer’s FFL for verification. It’s the customer’s responsibility to notify the dealer of the order.


Lower Receiver Material: 7075 T6 Aluminum with a Type III Hard Coat Anodize

Hammer/Trigger Pin Size: Mil-Spec Small Pin .154"

Pivot/Takedown Pin Size: Mil-Spec Small Pin .250"

Buttstock: Mil-Spec 6 Position

Buffer: Standard Carbine Buffer and Spring

Trigger: Mil-Spec Single Stage Trigger

Grip: A2 Style Plastic Grip

SKU: STAG300371


Q: What is the warranty coverage for this lower?

A: The lower has a one year warranty.

Q: Is this lower compatible with other company's uppers or different caliber uppers?

A: As long as the upper will function on a mil-spec lower, it will be compatible.  There are approximately 20 different calibers which are compatible with mil-spec lowers, including our 6.8SPC versions.


Reviews (7)

MB 22nd Sep 2019

Mil Spec Lower

Not sure why it was advertised as a Tactical lower when I purchased it on sale but who cares. The trigger pull is excellent and it is not built like some of the cheap lowers I have seen from other companies. Great job Stag.

Ángel 3rd May 2019

Excellent Lower

My third lower from stag Arms!! Extremely gorgeous and best quality! Thanks