Product Summary
The HiperFire PDI Trigger Assembly is a high-performance drop-in trigger designed for AR-15 and AR-10 platforms, including the SIG Sauer MCX. Featuring a smooth 2 lb pull weight and a Titanium Nitride Gold finish, this assembly offers both enhanced corrosion protection and a polished aesthetic. It is engineered for durability with a MIL-grade hammer strike, a tough hammer collision bumper, and a crash protection disconnector spring. The package includes a HIPERSHOE finger pad to ensure a comfortable and precise shooting experience. This trigger is an ideal upgrade for shooters seeking a reliable, smooth-feeling trigger without a complex installation process.











