PTS EPM1-S 170rd Mid-Cap Magazine for M4/M16 – Black

The PTS EPM1-S 170rd Mid-Cap Magazine is an advanced, compact version of the renowned EPM1 series, developed in collaboration with Odin Innovations. Designed for M4/M16 AEG replicas, this mid-cap magazine offers a generous 170 BB capacity while maintaining a sleek profile—perfect for both CQB and field environments.

Built from DuPont™ Zytel® polymer, the EPM1-S is engineered for durability and lightweight performance. It features a new-generation BB feeder for consistent feeding even during high ROF bursts, and includes a distinctive orange charge indicator that provides a clear visual cue of remaining BBs at a glance.

Key Features

• 170 BB capacity – no rattling, consistent feeding throughout the mag
• Constructed from DuPont™ Zytel® – ultra-durable and impact-resistant
• Low-profile design with EPM1 styling – ideal for compact loadouts
• Orange load indicator – check ammo level without removing the mag
• Compatible with Magpul Maglink® Couplers – great for dual-mag setups
• Optimized feeder system – reliable BB delivery even with high-speed builds

Technical Specifications

• Material: DuPont™ Zytel® polymer
• Capacity: 170 BBs
• Weight: 148 g
• Color: Black
• Type: Mid-cap
• Compatibility: M4/M16 AEG replicas
• Manufacturer: PTS / Odin Innovations
• Product code: PTS-05-035203

This magazine is the ideal choice for serious airsoft players who demand performance and reliability. Whether you're gearing up for a milsim event or a fast-paced skirmish, the EPM1-S won’t let you down.

Pair the EPM1-S with one of our AEG M4/M16 rifles or explore more airsoft magazines to complete your loadout.