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Franklin Armory
Overview
The Franklin Armory 2012 BFS Marked Stripped Lower Receiver is a forged AR-15 lower crafted from 7075-T6 aluminum, designed to accommodate ambidextrous controls for enhanced versatility in handling. With a trigger pin size of .154 inches, it is compatible with a wide range of trigger groups, allowing builders to customize their trigger setup according to their preferences. This lower receiver is commonly found in pistol builds chambered in 5.56 NATO, making it a solid choice for those looking to create a compact, high-performance firearm.
Franklin Armory 2012 BFS Marked Stripped Lower Receiver ranked #96 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 #124 of the 956 lower receivers builders have added. Builds with this lower receiver are nearly all AR-15.
It was in stock most days in August 2026, and today the one retailer we track has it in stock. The best price crept up from $67.49 to $80.99 over August 2026. Buying today, the lowest price is $80.99 at Classic Firearms, above August's low of $67.49, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 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 →The part most often added in each category by the 45 builds that include this one

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Builds in the community that include the Franklin Armory 2012 BFS Marked Stripped Lower Receiver
| Build | Parts | Total |
|---|---|---|
![]() | 10 | $4084.20 |
![]() | 36 | $18085.54 |
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