--- title: "Panzer Arms M4 Pro AI Copper 12 Gauge Shotgun" description: "12-gauge semi-automatic shotgun with an 18.5\" barrel, 5+1 capacity, dual-piston gas system, M-LOK handguard, and distressed copper Cerakote finish." canonical_url: "https://www.kygunco.com/product/panzer-arms-m4-pro-ai-tact-12ga-3-18.5-coppr-bronze-titanium" meta: author: KYGUNCO "og:description": "12-gauge semi-automatic shotgun with an 18.5\" barrel, 5+1 capacity, dual-piston gas system, M-LOK handguard, and distressed copper Cerakote finish." "og:image": "https://cdn.kygunco.com/assets/products/311667/thumbnail.jpg?v=1781528630" "og:image:height": "500" "og:image:width": "500" "og:title": "Panzer Arms M4 Pro AI Copper 12 Gauge 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-PAM4NCBRBTMFSS ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/311667/main.jpg?v=1781528630) For illustration purposes only, this image may not be an exact representation of the product. # PANZER ARMS M4 Pro AI Tactical 12Ga 5rd 18.5" - Copper & Bronze Titanium The Panzer Arms M4 Pro AI Tactical is a 12-gauge semi-automatic shotgun with an 18.5" ported barrel, dual-piston gas system, and 5+1 capacity. It features a distressed copper Cerakote finish, aluminum M-LOK handguard, top Picatinny rail, ghost ring sights, adjustable cheek riser, and interchangeable chokes. A door breacher, match saver, and full choke tube set are included. $675.93 ** 5 interest-free payments of **$135.19** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$120.67**/month 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 # 311667 Style PNZ-PAM4NCBRBTMFSS UPC 869325001402 Condition New Manufacturer [Panzer Arms](https://www.kygunco.com/brand/panzer-arms) Model M4 AI Tactical Caliber 12 Gauge Action Semi-Auto Barrel Length 18.5 in The Panzer Arms M4 Pro AI Tactical delivers reliable semi-automatic performance in a rugged, modern platform built for defensive and tactical applications. Featuring a proven dual-piston gas system, premium materials, and enhanced ergonomics, this shotgun is engineered for fast follow-up shots and consistent operation under demanding conditions. FEATURES - Gas-operated dual piston system for reliable, smooth cycling - Ported 18.5-inch barrel helps reduce muzzle rise and felt recoil - Aluminum M-LOK handguard allows versatile accessory mounting - Enhanced bolt release and knurled rotating charging handle for improved manipulation - Titanium-coated internal components increase durability and corrosion resistance - Fixed skeleton stock with adjustable cheek riser for improved shooting comfort - Top Picatinny rail and ghost ring sights for fast target acquisition - Includes door breacher, match saver, and full choke tube set - Compatible with Benelli M4 components SPECIFICATIONS - Brand: Panzer Arms - Model: M4 Pro AI Tactical (A.R.G.O.) - Gauge: 12 Gauge - Action: Semi-automatic - Chamber: 3" (accepts 2.75" and 3" shells) - Capacity: 5+1 rounds - Barrel Length: 18.5" - Barrel Material: 4140 steel - Barrel Finish: Distressed Copper Cerakote - Choke: Removable/interchangeable - Receiver Material: 7075-T6 aluminum - Receiver Finish: Distressed Copper Cerakote - Stock: Fixed skeleton with adjustable cheek riser - Stock Material: Polymer and steel - Stock Finish: Matte black - Forend Material: Aluminum - Forend Finish: Matte black anodized - Attachment Interface: M-LOK and Picatinny rail system - Safety: Ambidextrous crossbolt - Sights: Adjustable ghost ring rear and blade front - Weight: 7.8 lbs - Overall Length: 40" ** 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). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## 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-m4-pro-ai-tact-12ga-3-18.5-coppr-bronze-titanium#webpage","@type":"WebPage","description":"12-gauge semi-automatic shotgun with an 18.5\" barrel, 5+1 capacity, dual-piston gas system, M-LOK handguard, and distressed copper Cerakote finish.","name":"Panzer Arms M4 Pro AI Copper 12 Gauge 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