Take your AR-15 build to the next level with the Atrius FRS Super Selektor Complete Lower Receiver, engineered for shooters who demand reliability, precision, and enhanced weapon control. Built on a forged 7075-T6 aluminum lower receiver and equipped with premium performance components, this complete lower is ready to pair with your favorite mil-spec AR-15 upper.
Whether you're building a competition rifle, duty carbine, range rifle, or defensive firearm, this lower receiver delivers exceptional durability, smooth operation, and upgraded ergonomics right out of the box.
Key Features
Forged 7075-T6 Aluminum Lower Receiver
Precision machined from mil-spec 7075-T6 aluminum for outstanding strength, durability, and long service life.
Enhanced 3.5 lb Fire Control Group
Features a crisp, clean 3.5-pound trigger pull that promotes improved accuracy and consistent trigger control.
Atrius FRS Super Selektor 3-Position Fire Control System
Equipped with the innovative Atrius FRS Super Selektor for enhanced fire control and selector operation. Designed for shooters seeking a premium performance upgrade.
Atrius Ambidextrous Safety Selector
Provides positive, easy-to-reach operation from either side of the rifle, making it ideal for both right- and left-handed shooters while improving overall weapon manipulation.
H2 Heavy Buffer with Flat Wire Buffer Spring
Optimized recoil system helps reduce felt recoil, smooth bolt movement, and promote consistent cycling across a variety of AR-15 configurations.
SOPMOD Adjustable Buttstock
Features a proven SOPMOD-style stock that offers an excellent cheek weld, comfortable shooting position, and integrated storage compartments for batteries or small accessories.
Overmolded Ergonomic Pistol Grip
Rubber overmolded grip provides superior comfort, enhanced control, and a secure non-slip surface in wet or dry conditions.
Why Choose This Complete Lower?
Forged 7075-T6 mil-spec construction
Atrius FRS Super Selektor Fire Control System
Atrius Ambidextrous Safety Selector
Crisp 3.5 lb trigger pull
H2 buffer with flat wire spring for smooth operation
SOPMOD stock with storage compartments
Comfortable overmolded pistol grip
Fully assembled and ready for your upper receiver
Ideal Applications
AR-15 custom builds
Competition shooting
Range training
Home and personal defense
Tactical carbines
Duty rifles
FFL REQUIRED: This serialized firearm must be shipped to a Federal Firearms License (FFL) holder for transfer in accordance with all applicable federal, state, and local laws.
