Midwest Industries MI-TRIGGER-C | 3.5 lb Single-Stage Drop-In Trigger

The Midwest Industries MI-TRIGGER-C is a self-contained drop-in curved single-stage trigger designed to deliver a crisp, repeatable break with a 3.5 lb pull weight. The kit includes a lower parts kit (LPK) with ambidextrous safety options and a Magpul trigger guard (MAG417), while internal components are finished and hardened for durability. Its straightforward installation and quick reset make it suitable for precision target and practical/competitive shooting applications on AR-style platforms.

Product Specifications

• Manufacturer is Midwest Industries.
• Manufacturer part number is MI-TRIGGER-C.
• Model name is Enhanced Drop-In Curved Single-Stage Trigger.
• Trigger pull weight is 3.5 lb.
• The design is a self-contained drop-in unit requiring no fine tuning for installation.
• Interior parts are S7 tool steel with heavy-hit hardening and a black nitride finish.
• The cassette housing is blue anodized aluminum.
• The assembly is CNC machined from heat-treated tool steel and aluminum.
• Includes an LPK with components such as Bolt Catch, Mag Catch, Ambi Safety (60/90°), Buffer Retainer, Magpul Trigger Guard (MAG417), and Anti-Walk Pins.
• Fits most .223 and .308 AR-style platforms.
• Features a quick reset and low overtravel for enhanced speed.
• Includes a drop safety and lightened hammer and trigger for reduced pull effort.
• Unit comes with anti-walk pins and screws.
• The product is 100% Made in USA and backed by a limited lifetime guarantee.
• UPC: 812102033240.

Built around hardened tool-steel internals and a machined aluminum cassette, the MI-TRIGGER-C provides a reliable, repeatable interface for shooters who want a clean single-stage break and a bundled LPK for straightforward assembly. Its ambidextrous safety option and inclusion of a Magpul trigger guard make it a practical upgrade for many AR-style builds without extensive fitting or tuning.