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Masterpiece Arms MPA 45 Carbine MPA1SST - Excellent, Like New Condition Guns International #: 103431127 Seller's Inventory #: Category: MPA - MasterPiece Arms - Tactical Rifles Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: PortersPawn Company: Porter's Pawn Member Since: 11/20/25 State: Arkansas Zip: 72653 Country: United States Phone: (870) 424-7296 Platinum Seller Number of Active Listings: 62 Total Number of Listings: 95 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. Factory New Premium Rifles Ship Free to Lower 48 States. Payment Types Accepted: Credit and Debit Cards, Cash (in person), Money Orders, Checks (Via ACH), About Us: For over 30 years, Porter's Firearms has been the trusted choice for shooters of all experience levels. We offer an extensive selection of both premium new rifles and quality used firearms, ensuring there's something for every hunter and budget. Our expert staff provides personalized service for custom builds, optics selection, and complete rifle systems. Take advantage of flexible layaway plans and free shipping on premium rifles to the lower 48 states. From your first scope to a premium rifle system setup, we're here to help you shoot with confidence. Description: Masterpiece Arms MPA Defender "Side Cocker" .45 Carbine – Like New Condition Masterpiece Arms MPA Defender "Side Cocker" .45 ACP Carbine – MPA1SST – Excellent, Like New Condition The Masterpiece Arms MPA Defender "Side Cocker" .45 Carbine is a modern take on the iconic MAC-10 design, offering enhanced performance and precision. This semi-automatic carbine features a 16-inch threaded barrel (11/16x16 thread pitch), a floating AR-15 style handguard, and a Picatinny rail scope mount for optics customization. Built for durability and reliability, the MPA Defender delivers an excellent shooting experience with a robust design. Specifications Model: MPA1SST Caliber: .45 ACP Barrel Length: 16” (Threaded 11/16x16) Muzzle Brake: Equipped with the MPA Defender .45 Cal Muzzle Brake  Action: Semi-Automatic Handguard: Floating AR-15 Style Optic Mount: Picatinny Rail Scope Mount Features Based on the classic MAC-10 platform Side-charging handle for ease of use Threaded barrel for muzzle accessories Durable and reliable construction Includes: Hard case and one 30-round magazine. All listings are available for purchase in-store; please place ato ensure this item is pulled from the showroom. See photos for details, and contact us if you have any questions!    Price: $1,660.00 Rifle Caliber: .45 ACP Handgun Caliber: .45 ACP (.45 Auto) Manufacturer: Masterpiece Arms (MPA) Model: MPA 45 Carbine MPA1SST Serial Number: A16619 Barrel Length: 16” (Threaded 11/16x16) Chambers: Excellent, Like New Condition Condition: Excellent, Like New Condition Metal Condition: Excellent, Like New Condition Bore Condition: Excellent, Like New Condition Barrels: 1 Action: Semi-Automatic Extras: Hard case and one 30-round magazine. Case: Factory Hard Case Item Location: 870