Product spec sheet
IMI Defense™ FSR – M16 Front Sight Rail Mount for AR15/M4 Rifles
SKU IMI-ZFSR · imidefenseusa.shop
Upgrade your rifle with the IMI Defense™ FSR Front Sight Rail Mount, a lightweight and durable accessory engineered for M16A1, M16A2, M4, and AR15 platforms.
Specifications
| SKU | IMI-ZFSR |
| Color | Black | Desert Tan |
| Platform | AR15/M16/M4 |
| Fits | AR15/M16/M4 (A2 front sight base · forged or milled) |
| Dimensions | 2.56 × 0.83 × 1.49 in |
| Weight | 1.62 oz |
Description
Upgrade your rifle with the IMI Defense™ FSR Front Sight Rail Mount, a lightweight and durable accessory engineered for M16A1, M16A2, M4, and AR15 platforms. Designed to provide additional mounting capability without permanent firearm modification, the FSR delivers a secure solution for attaching tactical lights, lasers, and other Picatinny-compatible accessories directly to the front sight base.
Constructed from high-quality fiber-reinforced polymer composite, the FSR combines strength, low weight, and field-ready durability. Its precision-engineered angled clamping system ensures a tight and stable fit on forged and milled A2 front sight housings, while dual MIL-STD-1913 Picatinny rail sections provide flexible accessory placement on either side of the sight tower.
Designed for simple installation and dependable retention, the IMI Defense™ FSR Front Sight Rail Mount enhances rifle functionality while maintaining a streamlined profile ideal for tactical, duty, training, and range applications.
Features & Benefits
- High-strength fiber-reinforced polymer construction
- Lightweight and highly durable design
- Dual MIL-STD-1913 Picatinny rail sections
- 5-slot rail configuration on each side
- Compatible with standard forged and milled A2 front sight bases
- Ideal for mounting tactical lights and laser aiming devices
- Secure clamping system for stable attachment
- Low-profile design maintains rifle balance and handling
- Simple installation with 3 M5 screws
- No permanent firearm modification required
Product questions: support@imidefenseusa.com