Product Overview
The ProMag Polymer Magazine Part Number RM-40-SL is designed for reliable performance with AR-15 rifles chambered in .223 Remington and 5.56mm NATO. Constructed with a durable proprietary DuPont Zytel-based polymer, this magazine offers a lightweight yet rugged profile suitable for both tactical and recreational shooting. Its over-molded stamped steel feed lips and magazine catch provide enhanced durability and consistent feeding, ensuring smooth operation under demanding conditions. The magazine features a patented anti-tilt Roller follower which promotes better alignment of rounds and reduces misfeeds, contributing to overall firearm reliability. The spring is formed from heat-treated chrome silicon wire, providing excellent resilience and longevity for repeated use. Whether for training, competition, or everyday use, this 40-round magazine delivers substantial capacity while maintaining a compact form factor. Designed specifically for AR-15 rifles, it offers seamless compatibility and ease of installation, making it an excellent choice for shooters seeking high-capacity magazines with dependable performance.
Features:
- Capacity: 40 rounds for extended shooting sessions
- Material: Proprietary DuPont Zytel-based polymer for strength and lightweight handling
- Feed Lips: Over-molded stamped steel for durability and reliable feeding
- Follower: Patented anti-tilt Roller follower for smooth feeding and reduced jams
- Spring: Heat-treated chrome silicon wire for resilience and long-term use
