Rock River Lower Parts Kit (LPK) with National Match Trigger (2-stage) and Ergo grip. Everything needed to complete your stripped lower except the stock! Made in the USA. Lifetime Warranty.
The Rock River Arms Two Stage Trigger generally improves accuracy by lightening and smoothing out the trigger pull. The weight of pull on these are usually 4 1/2 to 5 pounds. The two stage trigger takes out the "unknown" point of fire from the trigger stroke.
Complete AR15 Lower Parts Kit includes:
Ergo Black Pistol Grip, Two Stage NM Trigger, Hammer, Disconnector, Selector, Bolt Catch Spring, Detent Spring, Bolt Catch Button, Take Down Detent, Bolt Catch, Magazine Catch Spring, Bolt Catch Roll Pin, Magazine Catch Button, Magazine Catch, Front Pivot Pin, Hammer Spring, Trigger Spring, Pistol Grip Screw, Pistol Grip Lock Washer, Selector Spring, Detent Selector, Hammer Pin, Trigger Pin, Take Down Pin, Buffer Retainer Pin, Buffer Retainer Spring, Disconnector Spring.
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