ProMag Extended Shotgun Magazine - Fits Akdal MKA 1919 12-Gauge Shotguns, 10-Round Capacity, Hybrid Heat-Treated Steel & Polymer Body, Blued Finish - MKA-01 / 708279011399
Product Description
Staging a magazine-fed tactical shotgun, 3-Gun competition package, or multi-role security 12-gauge requires an ammunition supply asset engineered to feed massive shotshell payloads flawlessly. Low-capacity factory 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 10-Round Extended Magazine (MKA-01 / 708279011399)** completely flatlines these ammunition capacity bottlenecks, delivering a **rugged steel and high-impact polymer hybrid reserve** 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 a durable, grid-textured **injection-molded polymer lower sleeve**. This hybrid configuration ensures smooth steel-on-steel feed ramp tracking at the top, while giving the extended lower half exceptional impact resistance and an easy-grip surface. The column handles a massive **10-round payload of 2-3/4" 12-gauge shells**, guided smoothly by a high-tensile **chrome silicon wire spring** and a low-friction polymer 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 extended single-stack stick ensures consistent mechanical cycling directly from your workspace bench.
*Armorer Bench Notes & Real-World Shotgun Magazine Staging Guidance: The ProMag MKA-01 extended loader package arrives workspace ready, securely housed in factory original anti-static inventory retail card 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 10-round stick also fits a variety of imports including the **BR-99, FR-99, VR-60, VR-80 (may require slight fitment verification depending on the mag-well funnel flare), 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 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 magazine body in your hand, pressing shotshells down and back against the rear spine channel in a straight, single-column vertical array. 4. Due to the high-tensile force of the custom extended spring, use firm thumb pressure on the final few rounds to ensure the shell rims seat perfectly underneath the steel retention lips. 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 base pad to verify the stick is locked solid before charging the system and testing cycling parameters downrange.*
Key Features
- Formidable 10-Round Payload: Doubles your standard capacity by holding 10 rounds of 12-gauge ammunition in a reliable single-stack stick, 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 body extension.
- Aggressive Grid Texture Sleeve: The lower polymer housing features an oversized, waffle-style grid texture that gives your hands a secure purchase for quick mag changes.
- 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 Magazines
- MPN/SKU Code: MKA-01 (Akdal MKA 1919 10-Round Hybrid Blued Steel Base Specification SKU)
- UPC Code Profile: 708279011399
- 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: 10 Active 12-Gauge Shotshells Structural Staging Depth
- Structural Material Base: Heat-Treated Carbon Steel Upper Tower & High-Impact Injection Polymer Sleeve
- Exterior Finish Dressing: Classic Gloss Blued Upper Finish / Matte Black Infused Base Polymer
- 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 10-Round Assembled Hybrid Extended Shotgun Magazine Assembly Only
- Packaging Format Class: Factory Original Sealed ProMag Blister Header Card Presentation Pack
- Product Type Category: Shotgun Accessories / Extended Magazines & Box Fed Shotgun Sticks
- Overall Physical Shell Width: ~1.45 Inches (~36.8 mm Standard Box Shotgun Frame Clearances)
- Overall Physical Component Length: ~9.65 Inches (~245.1 mm Extended Linear Structural Depth)
- Net Component Module Mass: ~11.20 Ounces (~317.5 Grams Heavy-Duty Hybrid Rigidity Structural Weight)
- Warranty Tracking Protection: Fully Backed by ProMag Lifetime Factory Material Replacement Guarantee
This magazine fits AR-styled shotguns chambered in 12 Gauge, such as the Panzer Arms BP12, Citadel Boss, Rock Island VR80, SDS Radikal, MKA 1919, Charles Daly AR-12, ATI Bulldog, Best Arms 912, Landor Arms Bullpup, and other similar shotguns!
