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Griffin Armament
Overview
The Griffin Armament Mk1 AR-15 Stripped Lower Receiver is crafted from 7075-T6 aluminum, providing a solid foundation for your AR-15 build. With a trigger pin diameter of .154, it is compatible with standard AR-15 components, allowing for straightforward assembly and customization. This lower receiver is frequently used in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a versatile choice for a variety of applications.
Griffin Armament MK1 AR-15 Stripped Lower Receiver ranked #278 of the 507 lower receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #169 of the 1,002 lower receivers builders have added. Builds with this lower receiver are split between 5.56 NATO (57%) and 6mm ARC (21%), split between carbine-length (57%) and rifle-length (29%) gas systems, and nearly all AR-15.
It was in stock most days in August 2026, and today 2 of the 4 retailers we track have it in stock. Prices barely moved in August 2026, holding around $103.50, so there haven't been real sales lately. Buying today, the lowest price is $119.99 at Sportsmans Outdoor Superstore, above August's low of $103.50, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every lower receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Lower Receiver Trends →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Griffin Armament Mk1 Ar-15 Stripped Lower Receiver
| Build | Parts | Total |
|---|---|---|
![]() | 19 | $1577.42 |
![]() | 14 | $2707.61 |
![]() | 18 | $1405.43 |
![]() | 11 | $1608.94 |
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