The ProMag COL-A16B is a 42-round detachable magazine designed for AR-15 and M16 type rifles chambered in .223 Rem / 5.56 NATO. The magazine body uses a DuPont Zytel-based polymer and features an injection-molded follower and a spring formed from heat-treated chrome-silicon wire. It is constructed for range, training, and duty-style applications where extended capacity is required. The unit is made in the USA.
Key Specifications
- Capacity: 42 rounds.
- Caliber compatibility: .223 Rem / 5.56 NATO.
- Body material: DuPont Zytel-based polymer.
- Follower type: Injection-molded follower.
- Spring construction: Heat-treated chrome-silicon wire.
- Fit: AR-15 / M16 type firearms.
- Finish/color: Black.
- Country of origin: United States.
- Overall dimensions (listed): 1.85 x 4.80 x 11.05 inches.
- Weight (listed): 0.4 (unit as provided).
Durable construction and reliable feeding components make this ProMag COL-A16B magazine a practical choice for shooters who need extended capacity and straightforward functionality. Its polymer body and precision-formed spring are intended to deliver consistent performance for range sessions, training, and other lawful shooting activities.
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