JP MK IV Trigger Package

Our MK IV Trigger combines the latest generation of our trigger components developed and perfected over the last thirty years. The result is a refined, fully customizable trigger setup with mission-specific versatility With a quick and easy installation, you'll achieve all the benefits of a trigger module with none of the drawbacks.

Package includes MK IV Trigger with adjustment screws, adjustable EZ Disconnector, JP Speed Hammer, JP Anti-Walk Pins, trigger spring, two hammer springs, wrenches and thread locker.

This trigger kit is usable with small-frame (AR-15), large-frame (AR-10) and PCC applications.

Features:

• Fully customizable trigger system for any application
• Compatible with and Mil-spec-pattern platform
• Multiple adjustments ensure a perfect fit in even out-of-spec receivers
• Quick and easy installation with no gunsmithing required
• Reduced lock time
• Precise component relationship with no slop
• Updated trigger design that virtually eliminates dirt-related stoppages along with easier install/removal
• Upgraded component materials to reduce wear and breakage

Spring Selection Guide:

• Competition/Recreation
  The yellow/yellow combination may be used for competition and various recreational applications with hand loads or domestic-manufactured, non-military ammunition. It will result in a release weight in the 3.0-3.5 lb. range on most receivers.
• Enhanced Ignition Reliability
  The yellow trigger spring combined with the red hammer spring will yield a release weight of 3.5-4.0 lbs. on most receivers and offers increased reliability for (5.56 NATO) or foreign-manufactured ammo with low sensitivity primers. The yellow-red springs must be used for any large-frame AR installation to ensure 100% ignition reliability. This is also the minimum acceptable combination for tactical duty (LE) installations and should be used only with domestic-manufactured ammo in this application.
• Duty/Defense
  The tactical spring set includes a full powers (grey) hammer spring (purchased separately) and yellow trigger spring. It may be required for agencies that mandate a trigger release weight of over 4 lbs. This set up also insures 100% ignition reliability on both AR-15 and AR-10 type rifles.
• CMP
  To meet NRA Service Rifle Competition rules of a 4.5 lb. release weight, the CMP spring set (purchased separately) includes the full-power hammer spring and a custom trigger return spring, which will allow you to tune to a release weight just over 4.5 pounds to lift the NRA weights.