Description

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.