Buy FNX-45 SLIDE ASSY SS.
Looking for a premium vibe? Look no further.
Made to the same factory specifications, materials and standards as the parts currently in your FN America firearm. Feel secure in knowing the part you order will be the same as the worn or missing part from your FN America firearm.
Features:
- Cold hammer-forged barrel
- Caliber: 45 ACP
- Length: 4.5
- Twist: 1:16 RH
- Stainless Steel Construction
- Polished chamber and feed ramp
- 3-Dot Deep-V rear notch sights
- Brushed stainless barrel finish
- Black PVD slide finish
- Recoil Spring Assembly
Experience unmatched reliability and performance with the legendary FNX-45 SLIDE ASSY SS. Designed for professional operators and tactical enthusiasts alike, this firearm sets the standard for modern shooting. Built on battle-proven…
Experience unmatched reliability and performance with the legendary FNX-45 SLIDE ASSY SS. Designed for professional operators and tactical enthusiasts alike, this firearm sets the standard for modern shooting. Built on battle-proven engineering, our featured FN SCAR selection utilizes cold hammer-forged barrels and precision-machined receivers to deliver sub-MOA accuracy. Every shot offers a crisp trigger break and clean cycling. Upgrade your loadout by shopping through our official shop page, or browse the Accessories section to check current model availability.
The engineering behind FNX-45 SLIDE ASSY SS focuses on ergonomics and recoil mitigation. Features like ambidextrous safety selectors, magazine releases, and charging handles ensure fast manipulation in high-stress situations. The MIL-STD 1913 Picatinny rails provide ample space for tactical lights and optics, making it adaptable to any mission profile. Learn more about our firearm designs on our site.
Key Features and Benefits
- Cold Hammer-Forged Barrel: Chrome-lined bore ensures long service life and corrosion resistance.
- Optics-Ready Receiver: Features cutouts for mounting red dot sights and iron sights easily.
- Ambidextrous Controls: Designed for left-handed and right-handed shooters without modifications.
Firearm Safety & Training Guidelines
Always treat the firearm as if it is loaded. Practice safe muzzle discipline and keep your finger off the trigger until you are ready to fire. Clean the barrel and action after every range session to maintain cycling.
| User Level | Recommended Drills | Rest Period |
|---|---|---|
| Novice Shooter | Basic grip and sight alignment. | Every 50 rounds. |
| Advanced Operator | Transition and reloading drills. | Every 150 rounds. |
Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Caliber / Gauge | Various / Semi-Automatic | High-impact tactical build. |
| Barrel Length | MIL-SPEC Spec | Cold hammer-forged steel. |
Our rifles and pistols undergo rigorous test firing at the factory to verify function, extractor strength, and sight alignment before packaging. This guarantees that your firearm performs straight out of the box.
We source our raw polymer and high-strength steel from certified aerospace suppliers who prioritize structural purity. This ensures that every receiver resists cracking under heavy firing schedules and thermal load.
The gas system in our rifles utilizes a short-stroke piston design that keeps hot gases and carbon residue away from the bolt carrier. This leads to a cooler running action and less cleaning downtime.
Our quality control managers check barrel concentricity, chamber dimensions, and head spacing on every single build to maintain tight accuracy tolerances. We believe in providing operators with complete battlefield reliability.
The receiver features a durable hard-coat anodized or flat dark earth finish that resists moisture, sweat, and salt spray. It is built to survive in freezing rain, muddy trenches, and desert heat.
With our modular buttstock system, you can adjust the length of pull and cheek riser height in seconds. This allows you to fit the rifle perfectly to your body armor and optics configuration.
Our trigger assemblies are tuned to provide a crisp, clean break with a positive reset. This helps you maintain stability during rapid follow-up shots and improves overall target groups at long distance ranges.
Important Warnings and Firearm Disclaimer
This firearm is strictly for law-abiding adult citizens. Always check local and federal regulations before purchase and verify NFA compliance where applicable. Store locked and separate from ammunition. For official owner manuals, safety data, and NFA registrations, visit our official page for more information.
Frequently Asked Questions
What accessories do you recommend?
To optimize your shooting setup, we highly recommend looking at popular additions like FN REFLEX™ XL 10 RND MAGAZINES, FN SCAR® 17S, or the standard FN 545® Tactical.
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