The Ruger AR Lower Parts Kit, GI Trigger, A2 Pistol Grip (91002) provides a complete set of factory components to finish or refresh an AR-15 pattern lower receiver. This kit includes a standard AR "GI" trigger, matching hammer, and an A2-style pistol grip, along with the essential pins, springs, detents, and controls needed for reliable operation.

Ideal for builders, armorers, and shooters who want dependable parts on hand, this kit supports new builds, repairs, or upgrades of AR-15 pattern rifles and pistols. It’s well suited for general range use, training, and keeping a spare parts kit ready for maintenance. Ruger’s attention to detail and reputation for rugged reliability make this lower parts kit a practical choice for maintaining consistent performance in your AR platform.

• Manufacturer: Ruger
• Model: AR Lower Parts Kit
• Type: Lower Parts Kit
• Includes: GI trigger, hammer, A2 pistol grip, pins, springs, detents, and lower receiver controls
• Shipping Weight: 0.65–0.66 lbs
• Length: 7.10 inches
• Width: 5.50 inches
• Height: 1.90 inches