Jps4.0 Spring Kit
Average: 0
Rating Count: 0
You Rated: Not rated

Please log in to rate.

specifications

Manufacturer:

JP Enterprises Inc

Type:

Kit

Platform:

AR-15

    Jps4.0 Spring Kit

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None JP Enterprises Inc None None None $10.40 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    JPS3.5T produces 3.5 to 4 lb. trigger pull with JP Fire Control parts. This kit is intended for use with JP trigger parts and will not necessarily yield substantial change on standard AR-15 trigger components. Application: Use of this spring kit allows for use of ammunition with low-sensitivity primers such as those found in NATO-spec and various foreign-manufactured ammunitions, but in the case of large-frame ARs and duty/defense rifles, domestic-manufactured ammo is strongly recommended to ensure 100% ignition reliability. The JPS4.0 Tactical Spring kit will yield a 4.0-4.5 lb. trigger pull with JP Fire Control parts. This kit is intended for use with JP trigger parts and will not Mfg: J P Enterprises SPECS: Spring steel. Kit includes red-coded hammer spring, yellow-coded trigger return spring, and disconnector spring. For use on AR-style .308 rifles; not for defense or duty applications.

    Comments