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ProMag High-Capacity Shotgun Drum Magazine - Fits Akdal MKA 1919 12-Gauge Shotguns, 15-Round Capacity, Heavy-Duty Injection-Molded Polymer Body, Heat-Treated Steel Upper Feed Tower, Black Finish - MKA-A3 / 708279015090
Product Description
Staging a magazine-fed tactical shotgun, 3-Gun competition package, or multi-role security 12-gauge requires an absolute powerhouse of an ammunition supply asset engineered to feed massive shotshell payloads flawlessly. Standard low-capacity stick boxes force frequent reloading stops that shatter target concentration, while weak aftermarket shells can swell or flex under spring pressure, causing devastating stovepipes and feed failures on your bench. The **ProMag® Akdal MKA 1919 12-Gauge 15-Round Drum Magazine (MKA-A3 / 708279015090)** completely flatlines these ammunition capacity bottlenecks, delivering a **rugged steel and high-impact polymer hybrid drum** optimized for high-volume tactical cycles.
Proudly manufactured and field-tested in the United States by ProMag Industries, this high-capacity magazine employs a custom stamp-formed **heat-treated carbon steel upper tower** paired with an ultra-tough **injection-molded polymer drum housing**. This hybrid configuration ensures smooth steel-on-steel feed ramp tracking at the top, while giving the high-capacity lower drum exceptional impact resistance and structural unibody strength. The drum handles a massive **15-round payload of 2-3/4" 12-gauge shells**, guided smoothly by a high-tensile **chrome silicon wire spring** and a low-friction internal tracking follower. Complete with an integrated lock collar band, this turn-key tactical component upgrades your 12-gauge staging layout straight from your workbench.
Engineered to lock cleanly into standard MKA 1919 mag-wells and compatible box-fed shotguns, this factory-built high-capacity drum ensures consistent mechanical cycling directly from your workspace bench.
*Armorer Bench Notes & Real-World Shotgun Magazine Staging Guidance: The ProMag MKA-A3 high-capacity drum loader package arrives workspace ready, securely housed in factory original inventory retail presentation packs. PROPRIETARY 12-GAUGE BOX-FED INTERFACE MATRIX: The upper steel feed tower geometry is engineered natively, strictly, and dimensionally to lock into **Akdal MKA 1919 12-gauge semi-automatic shotguns**. *Cross-Brand Shotgun Compatibility Checklist:* Because it mirrors the standard MKA 1919 pattern on your bench, this 15-round drum also fits a variety of imports including the **BR-99, FR-99, VR-60, VR-80 (may require slight mag-well funnel adjustment depending on the generation), and similar AR-style 12-gauge shotgun platforms designed for standard 2-3/4 inch shells**. *Important Shell Length Restriction:* This unit is optimized strictly for **2-3/4 inch shotshell profiles**—attempting to load longer 3-inch magnum loads will bind the internal rotating follower tracking column. Armorer Workbench Custom Staging Sequence: 1. Visually and physically confirm your host shotgun is completely clear of live ammunition, the internal bolt is locked back, and the safety path is safe. 2. Inspect the new ProMag body for factory shipping protectants, wiping down the steel feed lips with a clean, lint-free microfiber cloth. 3. Stabilize the drum body in your hand, utilizing the external loading assistance thumb wheels to manually relieve internal spring tension as you drop shotshells down in a rotating vertical array. 4. Due to the high-tensile force of the custom rotary spring, use firm thumb pressure to ensure the shell rims seat perfectly underneath the steel retention lips of the feed tower. 5. Guide the magazine straight up into the shotgun\'s mag-well until the primary steel latch clicks loudly over the receiver catch block. 6. Pull down firmly on the drum base to verify the assembly is locked solid before charging the system and testing cycling parameters downrange.*
Key Features
- Formidable 15-Round Payload: Triples standard capacity by holding 15 rounds of 12-gauge ammunition in a reliable rotary layout, maximizing continuous fire windows.
- Steel & Polymer Hybrid Design: Built with a heat-treated carbon steel upper tower for long-lasting feed lip life, married to a lightweight, impact-resistant polymer rotary drum housing.
- Ergonomic Rotary Housing: The lower polymer drum body features an optimized spatial footprint that provides extensive ammunition depth without extending too far vertically from the frame.
- High-Tensile Chrome Silicon Spring: Loaded with a heavy-gauge chrome silicon wire spring that maintains uniform upward column pressure and resists fatigue over long storage cycles.
- Slick Anti-Tilt Follower: Features an injection-molded, self-lubricating polymer tracking follower that guides heavy shotshells smoothly up the tower without binding.
- Corrosion-Resistant Blued Shell: The upper steel components are finished in a classic anti-friction blued coating to protect against field moisture and carbon buildup.
Product Specifications
- Brand: ProMag Industries® (South Gate, California / Made Proudly in the USA)
- Model Line: High-Capacity Extended Box-Fed Shotgun Replacement Drum Magazines
- MPN/SKU Code: MKA-A3 (Akdal MKA 1919 15-Round Polymer Drum Specification Base SKU)
- UPC Code Profile: 708279015090
- Firearm Platform Compatibility: Akdal MKA 1919 Series AR-Style 12-Gauge Shotguns Natively
- Ammunition Shell Standard: 12-Gauge Caliber (Optimized Strictly for 2-3/4\" Length Shells)
- Total Payload Load Capacity: 15 Active 12-Gauge Shotshells Structural Staging Depth
- Structural Material Base: Heat-Treated Carbon Steel Upper Tower & High-Impact Injection Polymer Drum Shroud
- Exterior Finish Dressing: Classic Gloss Blued Upper Finish / Matte Black Infused Base Polymer Drum
- Internal Spring Component: Heavy-Gauge Tempered Chrome Silicon Progressive Spring Wire Core
- Follower Architecture: Injection-Molded Anti-Tilt Black Synthetic Low-Friction Polymer
- Baseplate Cushion Element: High-Impact Integrated Seamless Polymer Floorplate Shield
- Full Kit Component Checklist: 1x Complete 15-Round Assembled Hybrid Shotgun Drum Magazine Assembly Only
- Packaging Format Class: Factory Original Sealed ProMag Blister Header Card Presentation Pack
- Product Type Category: Shotgun Accessories / Extended Drum Magazines & Box Fed Shotgun Drums
- Overall Physical Shell Width: ~4.85 Inches (~123.2 mm Spatial Drum Diameter Footprint Clearances)
- Overall Physical Component Length: ~9.25 Inches (~234.9 mm Vertical Linear Structural Depth)
- Net Component Module Mass: ~22.40 Ounces (~635.0 Grams Heavy-Duty Hybrid Rigidity Structural Weight)
- Warranty Tracking Protection: Fully Backed by ProMag Lifetime Factory Material Replacement Guarantee
