Upgrade your next AR build with this AR-15 Lower Parts Kit featuring a Schmid 3.5lb Fire Control Spring Kit, designed to deliver a lighter, smoother, and more consistent trigger pull—without the cost of a full drop-in trigger system.
Perfect for range rifles, competition builds, and precision-focused setups, this Patriot Arms LPK combines dependable mil-spec components with genuine Schmid reduced-power springs. The result? A cleaner break, improved reset, and better overall control—helping you get more out of every shot.
If you're looking for a cost-effective way to enhance trigger performance while maintaining reliability, this kit hits the sweet spot.
Features:
Mil-spec lower parts kit for reliable fit and function
Genuine Schmid 3.5lb reduced-power fire control spring kit installed
Lighter, more consistent trigger pull
Smoother trigger break with improved reset
Precision-machined components for durability
Compatible with standard AR-15 lower receivers
Ideal for range, competition, and precision builds
Kit Includes:
Trigger
Hammer
Disconnector
Schmid 3.5lb trigger, hammer & disconnector springs
Safety selector
Bolt catch & spring
Magazine catch, button & spring
Pivot & takedown pins with detents and springs
Buffer retainer & spring
Trigger guard & roll pin
All standard lower receiver hardware
