JP Enterprises Enhanced Reliability Spring Kit

3.5–4.0 lb Trigger Pull · AR-15 Fire Control · Low-Sensitivity Primer Compatible · JPS3.5T The JP Enhanced Reliability Spring Kit yields a 3.5–4.0 lb trigger pull when used with JP fire control parts. Intended for use with JP trigger components—will not necessarily produce substantial change on standard AR-15 trigger components. Allows reliable ignition of ammunition with low-sensitivity primers such as those found in NATO-spec and various foreign-manufactured ammunition. For large-frame ARs and duty/defense rifles, domestic-manufactured ammunition is strongly recommended to ensure 100% ignition reliability. Compatible with most component-style AR fire control systems. Not compatible with the JPFC-M modular trigger. SKU: JPS3.5T.

3.5–4.0 lb Trigger Pull

Yields 3.5–4.0 lb trigger pull weight when used with JP fire control parts. Provides a slightly heavier pull than the lightest JP spring kits for improved primer ignition reliability.

Low-Sensitivity Primer Compatibility

Allows reliable ignition of low-sensitivity primers found in NATO-spec and various foreign-manufactured ammunition. For duty, defense, and large-frame AR applications, domestic-manufactured ammunition is strongly recommended to ensure 100% ignition reliability.

Compatibility

Compatible with most component-style AR fire control systems. Not compatible with the JPFC-M modular trigger. Intended for use with JP trigger parts—results on standard AR-15 trigger components will vary.

Specifications:

• Manufacturer: JP Enterprises
• Model: Enhanced Reliability Spring Kit
• SKU: JPS3.5T
• Trigger Pull (with JP fire control): 3.5–4.0 lbs
• Intended Use: JP Fire Control Parts
• Compatible: Most Component-Style AR Fire Control Systems
• Incompatible: JPFC-M Modular Trigger
• Application: Low-sensitivity primer ammunition (NATO-spec, foreign manufacture)