Introducing the Glock Factory Thread Protector for .45 ACP G21 Gen 4 M16x1LH. This accessory is engineered with precision to safeguard your barrel threads from damage, ensuring longevity and optimal performance. Its robust design and easy installation make it a must-have for firearm enthusiasts.

Ideal for range time and training, this thread protector fits seamlessly on the Glock 21, enhancing your shooting experience without any hassle. Glock's reputation for innovation and quality craftsmanship is evident in this accessory.

Key Features:
- Manufacturer: Glock
- Model: G21 Gen 4
- Product Type: Thread Protector
- Firearm Accessories Weapon Fit: Glock 21
- Material: Black
- Unique Features: Protects barrel threads
- What's In The Box: Thread Protector