Description

The Barrett M107A1 is a modern evolution of Barrett’s iconic .50 BMG semi-automatic anti-materiel rifle, engineered to be lighter, stronger, and more capable than earlier M107/M82 variants. Built around a recoil-operated mechanismwith a redesigned aluminum upper receiver and optimized for use with a sound suppressor, the M107A1 blends long-range power with improved handling, durability, and accessory versatility — making it suitable for military, security, and precision long-range shooting roles.

Specifications

General

• Caliber: .50 BMG (12.7×99 mm)
• Type: Semi-automatic anti-materiel / long-range rifle
• Operation: Recoil-operated
• Capacity: 10-round detachable box magazine

Dimensions & Weight

• Barrel Options: ~20″ (508 mm) or ~29″ (737 mm) fluted, chrome-lined
• Overall Length: ~48″ (20″ barrel) / ~56.8–57″ (29″ barrel)
• Weight: ~27.4–28.7 lb (12.4–13.0 kg) depending on config

Ballistics & Performance

• Twist Rate: 1:15″ (381 mm)
• Muzzle Velocity (29″): ~2750 ft/s (853 m/s) with standard 660 gr projectile
• Effective/Max Range: Very long-range performance typical of .50 BMG (millions of inches at distance) — manual lists full ballistic capabilities in operator documentation

Construction & Features

• Receiver: Lightweight aluminum upper with steel lower design (optimized strength-to-weight)
• Stock: Integrated fixed design with Sorbothane recoil pad (standard)
• Safety: Manual thumb-lever selector
• Optics Rail: Integrated Picatinny rail ~23″ long with ~27 MOA slope for long-range optics
• Sights: Flip-up iron sights (fixed front, adjustable rear)
• Muzzle Device: Four-port cylindrical muzzle brake designed to accept Barrett QDL suppressor 
• Suppressor-Ready: Bolt carrier & buffer system ready for suppressed firing
• Bipod & Monopod: Quick-detach bipod and adjustable monopod included/optional
• Coatings: Anti-corrosive finishes (Cerakote options available)
• Magazine: Steel with cartridge witness holes

Other Note

• Designed with material & manufacturing upgrades to reduce weight by ~4 lb relative to older M107/M82 designs while improving suppressor compatibility and corrosion resistance.