--- title: "Panzer Arms FS1 Pro Grey Black 12Ga Shotgun" description: "Panzer Arms 12-gauge gas-operated semi-automatic shotgun with a 20\" barrel, 3\" chamber, 4+1 capacity, folding stock, fiber optic sights, and three chokes." canonical_url: "https://www.kygunco.com/product/panzer-arms-fs1-pro-tactical-12ga-grey-black-folding-stock" meta: author: KYGUNCO "og:description": "Panzer Arms 12-gauge gas-operated semi-automatic shotgun with a 20\" barrel, 3\" chamber, 4+1 capacity, folding stock, fiber optic sights, and three chokes." "og:image": "https://cdn.kygunco.com/assets/products/311645/thumbnail.jpg?v=1781719652" "og:image:height": "500" "og:image:width": "500" "og:title": "Panzer Arms FS1 Pro Grey Black 12Ga Shotgun" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Brands](https://www.kygunco.com/brands) / [Panzer Arms](https://www.kygunco.com/brand/panzer-arms) / PNZ-FS1PROFSGRA ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/311645/main.jpg?v=1781719652) For illustration purposes only, this image may not be an exact representation of the product. # PANZER ARMS FS1 Pro Tactical 12Ga 20" 4rd - Grey & Black The Panzer Arms FS1 Pro is a gas-operated semi-automatic 12-gauge shotgun with a 20-inch barrel, 3-inch chamber, and 4+1 capacity. Its grey and black folding polymer stock features M-LOK compatibility, an adjustable cheek riser, integrated shell holders, and a left-side Picatinny rail. Fiber optic sights and three included chokes support flexible configuration. 5.0 ** ** ** ** ** [1 review](#reviews) $371.83 ** 5 interest-free payments of **$74.37** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Fulfilled by a partner warehouse. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 311645 Style PNZ-FS1PROFSGRA UPC 869325001266 Condition New Manufacturer [Panzer Arms](https://www.kygunco.com/brand/panzer-arms) Model FS1 Pro Caliber 12 Gauge Action Semi-Auto Panzer Arms’ FS1 Pro is a folding, gas-operated semi-automatic 12 gauge shotgun engineered for durability, adaptability, and modern tactical performance. Built on a rugged 7075-T6 aluminum receiver and paired with a 20-inch barrel, it delivers reliable cycling with 3-inch shells while maintaining a balanced, user-friendly design. With integrated storage, fiber optic sights, and a compact folding system, it offers a versatile solution for defensive, field, and transport applications. FEATURES - Gas-operated semi-automatic action provides reliable cycling and reduced recoil - Folding design enables compact storage and easy transport without tools - 7075-T6 aluminum receiver ensures strength and long-term durability - Glock-style fiber optic sights allow fast and precise target acquisition - Adjustable cheek riser supports proper alignment with optics - Left-side Picatinny rail allows mounting of lights, lasers, or accessories - Integrated shell holders (1 on forend, 2 in stock) provide quick-access ammunition storage - Barrel shroud protects against heat during extended shooting sessions - M-LOK compatible polymer stock offers durable, weather-resistant performance - Includes three mobile chokes for versatile shot pattern control SPECIFICATIONS - Gauge: 12 Gauge - Action: Semi-Auto (Gas-Operated) - Barrel Length: 20 inches - Chamber: 3 inches - Capacity: 4+1 - Receiver Material: 7075-T6 Aluminum - Stock: Grey and Black Polymer with M-LOK - Forend: Synthetic - Finish: Grey and Black Cerakote - Sights: Fiber Optic - Chokes Included: Full, Modified, Cylinder - Rail: Left-Side Picatinny - Cheek Riser: Adjustable ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 5.0 ** ** ** ** ** 1 review ** ** ** ** ** 1 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** Kevin St George, KS Make sure you use high velocity ammo first I had the first 3 shots have failure to eject but after that it ran great. I shot about 2 boxes of ammo through it and functions properly. last week ** ** ** ** ** ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/panzer-arms-fs1-pro-tactical-12ga-grey-black-folding-stock#webpage","@type":"WebPage","description":"Panzer Arms 12-gauge gas-operated semi-automatic shotgun with a 20\" barrel, 3\" chamber, 4+1 capacity, folding stock, fiber optic sights, and three chokes.","name":"Panzer Arms FS1 Pro Grey Black 12Ga 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