Shop our selection of semi auto shotguns from leading manufacturers like Derya Arms, Citadel, CZ-USA, ATA Arms, and Beretta. Iron Horse Armory carries a dependable lineup of semi auto shotguns built for waterfowl, upland hunting, sport shooting, and home defense, with fast follow-up shots for shooters of every skill level. Round out your setup with shotgun shells in a wide range of gauges and loads, plus shotgun parts for upgrades and ongoing maintenance and red dot sights for fast target acquisition. We also carry pump action shotguns, over under shotguns, and side by side shotguns from a variety of manufacturers to complete your kit.
Browse semi auto shotguns online by comparing models, checking current availability, and reviewing specifications such as gauge, capacity, barrel length, and sight configuration. Semi auto shotguns cycle automatically with each trigger pull using gas or recoil systems, making them a popular choice for waterfowl hunting, sport shooting, home defense, and tactical use thanks to fast follow-up shots and reduced felt recoil.
Here’s what to consider before buying:
Buy semi auto shotguns online or visit our gun shop in Parker, Colorado to handle inventory in person before purchasing. Iron Horse Armory also serves customers from nearby cities including Castle Rock, Franktown, Centennial, and Lone Tree.
All firearm transfers follow federal guidelines and applicable Colorado requirements, which typically involve shipment to a licensed dealer and completion of a background check prior to pickup. Shipping timelines and transfer steps can vary by product, so review checkout information carefully before placing your order.
Carry methods, transportation practices, and storage responsibilities may differ based on circumstances. Contact the shop directly for clarification on transfer procedures, accepted identification, and current store policies.
A semi auto shotgun fires one round per trigger pull and automatically cycles the next round into the chamber using gas or recoil energy. It does not fire continuously like a fully automatic firearm.
Gas operated semi autos use gas tapped from the barrel to cycle the action, often producing softer recoil. Inertia driven designs use the rearward movement of the bolt to cycle, which keeps the system cleaner but can transmit more felt recoil.
Yes, semi auto shotguns are widely used for hunting, especially for waterfowl, upland birds, and turkey thanks to fast follow-up shots and reduced recoil. Pair the shotgun with the right load for the game and conditions.
Most semi autos cycle reliably with shells loaded above a minimum power threshold. Light target loads may not cycle gas systems consistently, so test your specific shells before relying on them in the field.
Clean your semi auto after every range session or hunting trip to prevent fouling and maintain reliable cycling. Pay extra attention to the gas system, bolt, and chamber during cleaning.
12 gauge offers the most versatility for sport, hunting, and defensive use. 20 gauge provides lighter recoil and works well for upland hunting and smaller-framed shooters.
Many semi auto shotguns can accept red dot sights or scopes, especially models with drilled and tapped receivers or rail-equipped barrels. Confirm mounting options with your specific shotgun before installing an optic.
Modern semi auto shotguns are highly reliable when properly maintained and fed quality ammunition. Regular cleaning and using shells that match the cycling requirements help ensure dependable performance.
