CMMG presents the 10RND EXT FN5.7, a meticulously engineered magazine extension designed to enhance your FN Five-seveN pistol. This extension increases your magazine capacity by 10 rounds, ensuring more time at the range without frequent reloads. Crafted with precision, it features a durable chrome silicon spring that resists saltwater and maintains its shape over time.

Ideal for range enthusiasts and competitive shooters, the CMMG 10RND EXT FN5.7 offers seamless installation without permanent modifications to your magazine. CMMG is renowned for its innovative firearm solutions and commitment to quality.

Key Features:
- Manufacturer: CMMG
- Model: 10RND EXT FN5.7
- Product Type: Magazine Extension
- Capacity: 10
- Material: Chrome Silicon Spring
- Unique Features: Saltwater resistant, maintains shape
- What's In The Box: Extension kit, spring