Barrett M107A1‑S – .50 BMG, 20″ Fluted Barrel, 10+1
Core Specifications
| Feature | Details |
|---|---|
| Caliber | .50 BMG |
| Barrel | 20″ chrome-lined, fluted, 1:15 twist, threaded with 4-port muzzle brake (suppressed-ready) |
| Operation | Recoil-operated semi-automatic |
| Capacity | 10 + 1 rounds (steel detachable mag) |
| Weight | ≈ 28.7 lb unloaded (12.4 kg) |
| Length | ≈ 48″ overall |
| Receiver | Lightweight aluminum upper with 27 MOA optics rail; steel lower with recoil buffer system |
| Accessories | Thermal-cheek guard, QD titanium bipod, adjustable monopod, flip-up sights, Pelican hard case in most kits |
Highlights & Benefits
- Suppressed-ready platform: Optimized for Barrett’s QDL suppressors thanks to updated bolt carrier and muzzle brake.
- Weight Reduction: Lighter than the original M82/M107, shedding ~4–5 lb, while retaining rugged build.
- Enhanced durability & corrosion resistance: Chrome-lined barrel, nickel-Teflon coatings, hydraulic buffer, and bonded components ensure long-term reliability.
- Stable shooting platform: Fluted barrel stays rigid, complemented by adjustable bipod/monopod and recoil buffer system to manage recoil.
- Optics-ready design: 27 MOA rail perfect for long-range scopes; flip-up irons provide backup







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