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33% offVerified 90-day low
$79.99
Usually $119.99 at Sportsmans Outdoor Superstore
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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.
Prices checked
Griffin Armament MK1 AR-15 Stripped Lower Receiver ranked #167 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #176 of the 1,221 lower receivers builders have added. Builds with this lower receiver are split between 5.56 NATO (48%) and .223 Wylde (24%), split between mid-length (36%) and carbine-length (29%) gas systems, and nearly all AR-15.
It was in stock most times we checked in October 2026, and today 2 of the 4 retailers we track have it in stock. Prices barely moved in October 2026, holding around $123, with no real sale all month. Buying today, the lowest price is $79.99 at Sportsmans Outdoor Superstore, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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 | $1637.90 |
![]() | 14 | $2656.97 |
![]() | 18 | $1454.22 |
![]() | 11 | $1630.91 |
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