The S&W M&P FPC 14170 5.7X28MM 16.25IN 10R BLK is a semi-auto rifle built for duty use, combining the lightweight performance of the 5.7x28mm cartridge with a compact 16.25-inch barrel and a 10-round magazine. This model delivers reliable cycling and flat trajectory, making it a practical choice for law enforcement and tactical shooters who need a low-recoil, high-capacity platform in a black finish.
| Manufacturer | Smith & Wesson (per manufacturer specs) |
|---|---|
| Model | M&P FPC 14170 |
| Material | Polymer receiver with steel barrel |
| Compatibility | 5.7x28mm ammunition; standard M&P magazines |
| Finish | Matte black |
| Weight | Approximately 5.6 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- 5.7x28mm Chambering — WHY IT MATTERS: This cartridge delivers a flatter trajectory and lower recoil compared to 9mm, allowing faster follow-up shots and extended effective range for tactical engagements.
- 16.25-inch Barrel — WHY IT MATTERS: The barrel length optimizes velocity for the 5.7x28mm round, achieving over 2,000 fps with standard loads, while maintaining a compact profile for vehicle or close-quarters operations.
- 10-Round Magazine — WHY IT MATTERS: Provides sufficient capacity for defensive scenarios without excessive bulk, and is compatible with aftermarket upgrades for increased round count where legal.
- Black Finish — WHY IT MATTERS: The non-reflective matte coating reduces signature in low-light conditions and resists corrosion from sweat or moisture during extended field use.
- M&P Platform Reliability — WHY IT MATTERS: Based on the proven M&P operating system, this rifle cycles reliably under adverse conditions, a critical factor for duty or self-defense applications.
Who It’s For
This rifle is designed for law enforcement officers, military personnel, and serious shooters who prioritize a lightweight, low-recoil firearm for patrol, security, or competition. It suits users transitioning from handgun calibers who want a rifle that handles like a carbine but offers reduced muzzle rise and improved accuracy at intermediate distances.
Pros / Cons
- Pros: Low recoil allows rapid target reacquisition; flat trajectory enhances hit probability at 100+ yards; lightweight construction reduces fatigue during extended training; compatible with existing M&P accessories.
- Cons: 5.7x28mm ammunition is more expensive and less widely available than 9mm or .223 Remington, which can increase training costs. The 10-round magazine capacity may be restrictive for users in unrestricted states.
Comparison vs Competitors
| Feature | S&W M&P FPC 14170 | Ruger LC Carbine 5.7x28mm | PSA Rock 5.7 Pistol (with brace) |
|---|---|---|---|
| Barrel Length | 16.25 in | 16.12 in | 4.8 in (pistol) |
| Weight | 5.6 lbs | 6.2 lbs | 4.4 lbs (without brace) |
| Capacity | 10 rounds | 10 rounds | 20 rounds |
| Operating System | Blowback | Blowback | Blowback |
| Price | $646.89 | $749.00 | $549.00 |
FAQ
What is the barrel twist rate for the S&W M&P FPC 14170?
The barrel features a 1:9 twist rate, optimized for stabilizing standard 5.7x28mm projectiles from 28 to 40 grains.
Can I use aftermarket triggers or parts on this rifle?
Yes, the M&P FPC uses a standard AR-15 trigger group and buffer system, allowing drop-in upgrades from manufacturers like Geissele or Timney.
Is the 5.7x28mm cartridge effective for self-defense?
Yes, it offers low recoil and high velocity, which can penetrate soft body armor with certain loads, making it viable for defensive use against threats.
Does this rifle accept standard M&P magazines?
It accepts proprietary M&P FPC 5.7x28mm magazines, not standard M&P 9mm or .40 S&W magazines.
CTA
Order the S&W M&P FPC 14170 5.7X28MM 16.25IN 10R BLK today for reliable, low-recoil performance.
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
Explore more options: Semi Auto Rifles | Smith & Wesson M&P Rifles | 5.7x28mm Firearms
Last updated: April 2026





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