M4 Airsoft Mid-Cap Magazine by Beta Project – 140rd High Capacity AEG

Beta Project EXP Magazine – High-Capacity Polymer M4/M16 Airsoft Magazine (140 Rounds)

Upgrade your airsoft loadout with the Beta Project EXP Magazine, a rugged, mid-capacity polymer mag designed for M4/M16 AEG rifles. Built from high-density polymer, this magazine delivers superior durability without the bulk, ensuring smooth performance in fast-paced skirmishes.

Key Features & Benefits

✔ No Winding, No Rattling – Mid-cap design eliminates the need for winding while maintaining a 140-round capacity, ensuring reliable feeding without noise.
✔ Enhanced Grip & Handling – Recessed side panels provide a secure hold for quick magazine changes, even under pressure.
✔ Snag-Free Reloading – Integrated mag well guides reduce jamming and improve compatibility with Tokyo Marui, Matrix, APS, G&P, and other M4/M16 AEGs.
✔ Steel Follower Spring – High-efficiency spring ensures consistent feeding and long-term reliability, even in demanding gameplay.

Why Choose the Beta Project EXP?

Unlike low-quality mags that rattle or misfeed, this magazine combines polymer toughness with precision engineering for seamless performance. Whether you’re a competitive player or a weekend skirmisher, the no-winding mid-cap design keeps you in the fight without distractions.

Compatibility: Tokyo Marui, Matrix, APS, G&P & other M4/M16 AEGs
Capacity: 140 rounds (mid-cap, no winding required)
Material: High-density polymer + steel spring

Optimize your airsoft rifle’s performance—get the Beta Project EXP Magazine today!