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SASS Concepts is a Tennessee-based custom gunworks specializing in precision AR-10 and AR-15 rifles built for practical long-range shooting, SPR/DMR roles, and duty-style applications requiring durable, real-world accuracy.


SASS Concepts (Southern Armaments & Sighting Systems, LLC) is a custom rifle builder and precision gunworks based in Nolensville, Tennessee. Operating as an 07 FFL / 02 SOT, the shop focuses on building purpose-driven precision semi-automatic rifles designed for practical long-range performance, training, and duty-style applications.
Rather than producing generic builds, SASS Concepts emphasizes “Precision for a Purpose,” tailoring each rifle to the specific role the shooter needs to fill.
Core capabilities include:
SASS Concepts rifles are typically built to support practical precision shooting, gas-gun competition, and designated marksman roles, where consistent hits at mid- to long-range distances are required from a semi-automatic platform.
Known for building mission-focused rifles that balance durability, precision, and real-world usability for serious shooters and professionals.
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