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Brownells
Overview
The Brownells Brn-7 Stripped Lower Receiver is designed specifically for the AR-15 platform, allowing builders to create a custom firearm from the ground up. As a stripped lower, it provides the essential foundation for your build, enabling you to select and install your preferred components for a personalized setup. This lower is frequently used in builds featuring a mid-length gas system chambered in 5.56 NATO, making it a versatile choice for those looking to optimize performance and handling.
Brn-7 Stripped Lower Receiver - Brn-7 HK417 Stripped Lower Receiver
Prices checked
Builders have added the Brownells Brn-7 Stripped Lower Receiver - Brn-7 HK417 Stripped Lower Receiver to their builds on GunPartPicker. Since April 2026, it ranks #241 of the 1,222 lower receivers builders have added. Builds with this lower receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 2026, and today the one retailer we track is out of stock. Listed prices start at $443.49 at Brownells for when it comes back.
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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Builds in the community that include the Brn-7 Stripped Lower Receiver - Brn-7 Hk417 Stripped Lower Receiver
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $1587.99 |
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