Lower Parts

AX556 Billet Upper/Lower Receiver Set 15.5" Handguard - Black The Radian AX556 Billet Upper/Lower Set delivers precision machining, fully ambidextrous controls, and cutting-edge ergonomics, making it a top-tier foundation for serious AR builders...

Sig Sauer - MCX/MPX Minimalist Locking Folding Stock - Black (8901410) SIG SAUER factory aluminum locking minimalist, folding stock installs easily on your MCX/MPX via the receiver's 1913/Picatinny interface. CAUTION: Many states and localities...

The B5 Systems Quick Disconnect End Plate proivdes users with an alternative attachment point for single point sling use. The limited rotation one piece steel construction allows for proper staking and a lifetime of service. The milspec manganese...

AX556 Billet Upper/Lower Receiver Set 17" Handguard - Brown The Radian AX556 Billet Upper/Lower Set offers elite-level craftsmanship, fully ambidextrous controls, and a precision-engineered foundation for serious shooters. Finished in Brown Cerakote,...

Timeny Adjustable Trigger Shoe Kit - Green Adjustable trigger shoes for Calvin Elite Custom AR & Remington 700 replacement triggers. Available in Black, Red, Blue, Gold, Green & Silver. Full kit includes heeled, curved and straight shoes. Since...

Timeny Adjustable Trigger Shoe Kit - Silver Adjustable trigger shoes for Calvin Elite Custom AR & Remington 700 replacement triggers. Available in Black, Red, Blue, Gold, Green & Silver. Full kit includes heeled, curved and straight shoes...

Timeny Adjustable Trigger Shoe Kit - Red Adjustable trigger shoes for Calvin Elite Custom AR & Remington 700 replacement triggers. Available in Black, Red, Blue, Gold, Green & Silver. Full kit includes heeled, curved and straight shoes. Since...

Timeny Adjustable Trigger Shoe Kit - Gold Adjustable trigger shoes for Calvin Elite Custom AR & Remington 700 replacement triggers. Available in Black, Red, Blue, Gold, Green & Silver. Full kit includes heeled, curved and straight shoes. Since...

NOVESKE N6 TAKEDOWN/PIVOT PIN SET   These steel pins with nitride finish are a direct replacement for the factory rear takedown and front pivot on your AR-10. Easy way to freshen up the look of your rifle.   –4140 Hardened...

Introducing the Talon-GI, Radian is pleased to offer a variant of their Talon 45/90 safety selector that features no weak side lever, for those who prefer this configuration to an ambidextrous setup. The Talon-GI comes with one long lever that is...

JP BUFFER SPRING 308 TUNED AND POLISHED Custom Centerless Ground and Polished Operating Spring Large-Frame Rifle Length Precision centerless ground and polished operating springs offer a smoother and quieter operation in AR buffer tubes. Improved...

SIG SAUER factory minimalist folding stock installs easily on your MCX/MPX via the receiver's 1913/picatinny interface. This is the same stock that ships on our Rattler rifle. Available in black. Overall length - 8.5" Overall height - 3.5" Butt-pad...