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Mossberg MB56420 500 Series 12‑Gauge Pump Shotgun, 28″ Barrel, 3″ Chamber (SKU MB56420)

Mossberg

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Mossberg MB56420 Model 500 12-gauge pump shotgun with a 28″ barrel and 3″ chamber featuring a vent rib; sold in packages of 3 (SKU MB56420).

Sold by Each1 each = 3 eachPrice shown per each

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SKU: MB56420 Categories: , , Brand: Product ID: 271349

Description

Description

Product Overview

Mossberg MB56420 is listed under Sporting Pump Shotguns / Shotguns. Catalog text indicates Model 500, 12-gauge, 28″ barrel, 3″ chamber. Manufacturer: Mossberg. Package quantity: 3. SKU: MB56420.

Why This Product

  • The vent rib is a listed attribute useful for buyers specifying sighting or barrel styling on sporting shotguns (product-271349:f009).
  • Package Qty of 3 informs order multiples and inventory handling.

Key Verified Specifications

  • Brand / Manufacturer: Mossberg (product-271349:f002, product-271349:f006, product-271349:f007)
  • Categories: Sporting Pump Shotguns; Shotguns; Firearm (product-271349:f005, product-271349:f004, product-271349:f003)
  • Catalog note: Model 500, 12 gauge, 28″ barrel, 3″ chamber (existing catalog full text)
  • Attribute: Vent Rib (product-271349:f009)
  • Package Qty: 3 (product-271349:f008, product-271349:f010)
  • SKU: MB56420 (product-271349:f012)
  • Availability: instock (product-271349:f013)

Appropriate Use Cases

  • Retail listings for sporting shotguns where buyers request a vent-rib barrel for improved sighting alignment.
  • Small-batch procurement or showroom stocking, using the package quantity of 3 for ordering and logistics (product-271349:f008).

What Customers Should Know

  • Confirm barrel length, chamber size, and vent rib presence on order confirmations and delivery paperwork (catalog text and attribute: vent rib).
  • Package Qty is 3—plan shipping and storage for three-unit packages (product-271349:f008).
  • No accessory compatibility or certification facts are provided; verify separately prior to ordering mounts or chokes.

Specifications

  • Short Stroke Gas Piston Gas System (Rifle Length)
  • 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
  • 1:8 Twist Rate Rifling

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