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Oa Defense
The OA Defense Mag Def 2311 15-round pistol magazine is built for shooters who need dependable ammunition storage for their OA Defense 2311 or Sig Sauer P320 platform. Whether you're at the range, in competition, or training for defensive readiness, this 9mm magazine combines proven steel construction with a durable polymer floorplate—the kind of no-nonsense design that works when it matters.
OA Defense magazines are engineered to feed reliably through thousands of rounds. The steel body resists wear and deformation under hard use, while the polymer base pad handles the impact of mag drops and repeated loading cycles. Fifteen rounds gives you solid capacity for practice sessions or duty carry without excessive bulk, and the straightforward design means nothing gets in the way of a clean reload.
If you run a P320 or the OA Defense 2311 platform, this magazine is worth having spares of—whether you're building a competition loadout, stocking up for range days, or maintaining a reliable backup supply. Straightforward, tough, and made to work.
| Brand | OA Defense |
| Caliber | 9mm |
| Capacity | 15 rounds |
| Construction | Steel body with polymer floorplate |
| Fits | OA Defense 2311, Sig Sauer P320 |
| Color | Black |
This magazine is designed to fit the OA Defense 2311 and Sig Sauer P320 platforms.
The Mag Def 2311 holds 15 rounds of 9mm ammunition.
The magazine features a steel body for strength and durability, with a polymer floorplate for impact resistance and ease of handling.
Yes. The 15-round capacity and reliable design make it suitable for range practice, training, and competition shooting with compatible platforms.
Oa Defense
The OA Defense Mag Def 2311 15-round pistol magazine is built for shooters who need dependable ammunition storage for their OA Defense 2311 or Sig Sauer P320 platform. Whether you're at the range, in competition, or training for defensive readiness, this 9mm magazine combines proven steel construction with a durable polymer floorplate—the kind of no-nonsense design that works when it matters.
OA Defense magazines are engineered to feed reliably through thousands of rounds. The steel body resists wear and deformation under hard use, while the polymer base pad handles the impact of mag drops and repeated loading cycles. Fifteen rounds gives you solid capacity for practice sessions or duty carry without excessive bulk, and the straightforward design means nothing gets in the way of a clean reload.
If you run a P320 or the OA Defense 2311 platform, this magazine is worth having spares of—whether you're building a competition loadout, stocking up for range days, or maintaining a reliable backup supply. Straightforward, tough, and made to work.
| Brand | OA Defense |
| Caliber | 9mm |
| Capacity | 15 rounds |
| Construction | Steel body with polymer floorplate |
| Fits | OA Defense 2311, Sig Sauer P320 |
| Color | Black |
This magazine is designed to fit the OA Defense 2311 and Sig Sauer P320 platforms.
The Mag Def 2311 holds 15 rounds of 9mm ammunition.
The magazine features a steel body for strength and durability, with a polymer floorplate for impact resistance and ease of handling.
Yes. The 15-round capacity and reliable design make it suitable for range practice, training, and competition shooting with compatible platforms.
