Built for precision and reliability, this Geissele Standard Lower Parts Kit completes your AR‑15 lower receiver with mil‑spec performance. Trusted by professional gunsmiths and military users, this kit includes all essential components except the trigger and grip, offering quality and customization flexibility.

Includes:

• Brake-resistant Bolt Catch setup
• Durable Magazine Release assembly
• Secure Buffer Retainer & Spring
• Reliable Safety Selector & Detent
• Engineered Trigger Guard with roll pin
• Takedown & Pivot Pins plus springs and detents

No trigger or grip included—designed for users who prefer to install aftermarket or custom fire control components.

Highlights:

• Precision machined to mil-spec tolerances and performance
• Geissele quality—USA-made with a proven reputation
• Clean, functional black finish—fits standard AR platforms
• Ideal for custom builds, Glock conversions, or replacing worn components
• Backed by Geissele’s trusted craftsmanship