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990 SPX Magpul - Class 3
IN PRODUCTION
Quick Overview
Overview
The Mossberg 990 SPX (Special Purpose eXtreme) is a purpose‑built, 12‑gauge pump‑action shotgun designed for tactical, law‑enforcement and civilian defensive use. Introduced in 2015, the 990 SPX incorporates a heavy‑weight, chrome‑lined barrel, a reinforced receiver, and a Magpul M‑LOK handguard system that allows rapid attachment of accessories such as lights, lasers and foregrips. Its design philosophy emphasizes reliability under adverse conditions, rapid follow‑up shot capability, and modular ergonomics. The shotgun features a dual‑stage trigger, a ghost‑ring safety, and an oversized ejection port for reliable shell ejection. The 990 SPX has earned a reputation for ruggedness and low recoil, making it popular among SWAT teams and civilian home‑defense enthusiasts. Unique characteristics include a 20‑inch barrel with a ported choke, a proprietary “SPX” stock with adjustable length of pull, and a stainless‑steel bolt that resists corrosion.
Calibers & Ammunition
Dimensions
Overall Length
965 mm (38 in) with stock extended, 889 mm (35 in) with stock collapsed
Barrel Length
508 mm (20 in) standard, 457 mm (18 in) Compact variant
Weight
3.40 kg (7.5 lb) empty (standard), 3.10 kg (6.8 lb) Compact
Mechanical
Action Type
Pump‑action, long‑stroke recoil operation with chrome‑lined barrel and stainless‑steel bolt
Trigger Type
Dual‑stage, single‑action trigger with adjustable pull weight
Sights Type
Fiber‑optic front bead, rear ghost‑ring sight; optional Picatinny‑mounted night sights
Magazine Capacity
5+1 rounds standard internal tube, 7+1 with extended tube, 8+1 with aftermarket magazine tube
How does the 990 SPX Magpul - Class 3 compare?
Pick any other firearm for a side-by-side spec breakdown.
