FN 3866100030 FIVE-SEVEN OEM MAGAZINE 20 ROUNDS 5.7X28MM BLACK

ALL AMMUNITION AND MAGAZINES SHIP ADULT SIGNATURE REQUIRED.

The FN Five-seveN factory magazine delivers reliable 20-round capacity in 5.7x28mm NATO with durable polymer construction engineered specifically for the Five-seveN pistol platform. This OEM magazine provides flush-fit profile and factory-tested feeding performance for defensive carry, range training, and duty use.

Key Features

• 5.7x28mm NATO chambering with 20-round capacity
• Black polymer body construction for lightweight durability
• High-tensile steel wire spring for consistent feeding pressure
• Low-friction polymer follower for smooth ammunition feeding
• Flush-fit design maintains standard grip profile
• Rear witness holes numbered for quick visual round count verification
• Impact-resistant polymer baseplate
• Removable floor plate for easy cleaning and maintenance
• Overall length of 6.45 inches
• Compatible with FN Five-seveN USG and MK2 models

Special Features

• Factory OEM construction ensures precise dimensional tolerances matched to Five-seveN specifications
• Corrosion-resistant polymer body withstands exposure to cleaning solvents and environmental conditions
• Numbered witness holes provide instant ammunition count verification without removing magazine
• Proprietary 5.7x28mm chambering designed exclusively for FN platform firearms
• High-strength polymer construction resists impact damage while reducing loaded magazine weight

Practical Benefits

• Factory-engineered design guarantees reliable feeding and function with 5.7x28mm ammunition
• Flush-fit 20-round capacity provides high ammunition count without extended magazine profile
• Lightweight polymer construction reduces carry weight for extended shooting sessions and all-day carry
• Low-friction follower ensures smooth feeding during rapid-fire sequences and tactical drills
• Numbered witness holes allow quick ammunition verification for training and defensive readiness
• Removable baseplate simplifies field maintenance and spring inspection
• OEM quality eliminates compatibility concerns common with aftermarket magazines
• Durable construction provides long service life through repeated loading cycles and range use

The FN 3866100030 magazine is a dependable option for Five-seveN owners seeking factory-engineered reliability, 20-round capacity, and proven performance for range training, competition, and defensive carry applications.