Sig Sauer P320 PRO-CUT Slide Assembly 4.7" 9mm Coyote Brown - 8900953

*CONTACT US FOR A SPECIAL COUPON CODE!*

Sig Sauer® P320™ PRO-CUT Full-Size Slide Assembly – 4.7" 9mm Luger Barrel Compatible – R2 Optic Ready Cut – Suppressor-Height XRAY3 Day/Night Sights – Coyote Brown PVD Finish – 8900953

The Sig Sauer® P320™ PRO-CUT Full-Size Optic-Ready Slide Assembly (8900953) represents a premier mechanical benchmark in factory-certified modular handgun optimization, masterfully engineered in the USA to deliver elite target tracking speed and professional-tier red-dot integration for full-size configurations. While legacy factory pistol slides lock users into static iron sights—and third-party aftermarket machining can introduce erratic timing loops, light primer strikes, or void manufacturer warranties—the genuine Sig Sauer Pro-Cut chassis rewrites professional duty and competition performance. This premium factory replacement upper (798681664696) instantly modernizes your frame, incorporating stylized relief window cuts and an advanced optic footprint to provide an indispensable primary asset for tactical duty security, competition match divisions, and intensive firearms training loops.

The structural foundation of this high-efficiency cycling engine is CNC precision-machined from a solid block of premium ordnance-grade stainless steel billet. Treated with Sig's signature, deep-penetrating Coyote Brown Physical Vapor Deposition (PVD) finish, the slide easily shrugs off the aggressive carbon fouling of high-volume range training, abrasive kydex holster friction, and harsh environmental humidity. The defining technical edge of the 8900953 design lies in its stylized weight-reducing relief cuts spanning the forward top and sides of the slide. These windows dramatically slash reciprocating mass, accelerating cyclic slide velocity, mitigating vertical muzzle rise, and keeping the weapon perfectly balanced during high-tempo follow-up strings.

The true operational triumph of this American-built upgrade lies in its zero-fail optic mounting mechanics and premium combat sights. Equipped out-of-the-box with pre-installed suppressor-height XRAY3 Tritium Day/Night Sights, the slide provides an instantaneous, high-contrast three-dot alignment network that glows brilliantly in pitch-black conditions and stands out crisply in blinding sunlight. The slide features the updated R2 Optic Configuration Cut Layout, boasting a top-accessible removable plate cover that allows you to cleanly bolt down premium red dots like the Sig Sauer ROMEO1-PRO, ROMEO2, Leupold DeltaPoint Pro, or a Trijicon RMR (utilizing a standard sealing plate). Weighing an optimized 10.40 ounces, this drop-in powerhouse drops straight onto all standard 9mm P320 Full-Size and XFULL modular grip frames, requiring no gunsmith stoning or timing adjustments to establish an immaculate full-size combat weapon loop.

Includes: (1) Genuine Sig Sauer P320 Pro-Cut 4.7" Slide Body (Stainless Steel Billet, Coyote Brown PVD Finish, Integrated R2 Optics Cut Plate), (1) Complete Factory Firing Pin/Striker Sub-Assembly, (1) Pre-Installed Extractor Kit, and (2) Pre-Assembled Suppressor-Height XRAY3 Day/Night Tritium Sights. (Note: Barrel and recoil spring assembly are sold separately).

*P320 Full-Size Modular Sub-Assembly & Sight Alignment Guidance: The 8900953 slide assembly arrives fully populated with internal firing pin striker hardware. To complete your operational weapon loop, you must utilize a standard 9mm 4.7-inch non-threaded barrel (or 5.5-inch threaded barrel) and a matching full-size recoil spring guide rod assembly. This slide is explicitly calibrated for 9x19mm Parabellum frame arrays; do not attempt to fit or fire .40 S&W, .357 SIG, or .45 ACP cartridges through this stainless steel architecture.

Key Features

• Genuine Sig Sauer OEM Precision: Engineered and factory-vetted directly by Sig Sauer to guarantee flawless timing, mechanical extraction uniformity, and factory warranty retention.
• Stylized Mass-Reduction Windows: Sleek forward relief cuts drop overall reciprocating slide weight to promote rapid cycling speeds and noticeably flatter muzzle recovery loops.
• Advanced R2 Optics Footprint: Direct-mount optics channel accommodates the ROMEO1-PRO, ROMEO2, and DeltaPoint Pro footprints natively with top-accessible locking screws.
• Suppressor-Height XRAY3 Sights: Equipped with high-visibility tritium night sights that glow continuously in low-light environments and easily co-witness over red dot frames.
• Durable Coyote PVD Finish Armor: Industrial-grade physical vapor deposition shields the underlying stainless block from holster wear, environmental dampness, and chemical solvents.
• Complete Internal Striker Group: Arrives pre-loaded with factory striker springs, firing pin blocks, and extractor components to allow instant drop-in user convenience.

Product Specifications

• Brand: Sig Sauer® / Elite Electro-Optics Division (Newington, New Hampshire, USA)
• Product Line: Genuine Factory Replacement Parts & Modular Custom Works Matrix
• Model Series: P320™ PRO-CUT Optic Ready Slide Assembly - Full Size
• SKU / MPN: 8900953 (Alternative Factory Identifiers: 8900953-Sig / SIG-8900953)
• Firearm Platform Interface: Sig Sauer P320 Full-Size, XFULL, and Compatible Full-Frame Carry Grip Modules
• Barrel Length Compatibility: 4.7" Non-Threaded Standard 9mm or 5.5" Threaded 9mm Barrels
• Caliber Class Chambering: 9x19mm Parabellum / 9mm Luger Configuration
• Slide Material Base: Monolithic CNC Precision-Machined Stainless Steel Billet
• Surface Coating Treatment: Non-Reflective Ultra-Hard Corrosion-Defeating Coyote Brown PVD Finish
• Optic Footprint Cut Class: Sig Sauer R2 Template (Romeo1Pro / Romeo2 / DPP / RMR Ready)
• Sight System Profile: Factory Installed 3-Dot Suppressor-Height XRAY3 Day/Night Tritium Sights
• Slide Feature Profile: Integrated Front and Rear Multi-Groove Cocking Serrations & Top Relief Windows
• Product Net Component Weight: ~10.40 oz (294.8 g) - Lightened Full-Size Slide Core
• Total Boxing Shipping Mass: ~1.65 lbs (Enclosed Inside Original Factory Branded Custom Staging Foam Box)
• UPC Barcode: 798681664696