The Luth-AR LR-11A Bolt Catch With Spring, Buffer, And Pin is a complete AR-15 bolt catch assembly designed to restore or finish your lower receiver with reliable, positive bolt lock-back. This kit includes the bolt catch, coil spring, buffer plunger, and roll pin, all matched to work together for consistent engagement on .223/5.56 AR-15 platforms.

Ideal for new builds or refreshing a worn factory part, this assembly keeps the bolt carrier locked open on an empty magazine and lets you release it smoothly when you are ready to continue shooting. Its straightforward design makes installation simple for most home builders and armorers, while the durable construction is suited for regular range use, training, and general rifle maintenance. Backed by Luth-AR’s reputation for practical, well-engineered AR components, it’s a dependable upgrade or replacement for your rifle.

Key Features:

• Manufacturer: Luth-AR
• Model: LR-11A Bolt Catch Assembly
• Caliber: 223/5.56mm
• Firearm Type: AR-15
• Included Components: Bolt Catch, Spring, Buffer Plunger, Roll Pin