ARCA Rail Handguards


ARCA Rail Handguards are the apex handguard for your AR. If you are looking for the best, most versatile handguard available, your search is over. Perfect for tactical, hunting, PRS or 3-gun.

SKU: ARCA Category:

Introducing the 51FIFTY ARCA Rail handguards, a revolutionary addition to the AR15/M16 rails market. These handguards boast an integrated ARCA SWISS mounting surface, which enables the user to utilize ARCA compatible tripods without the need for additional components on their rail/rifle. This feature provides a seamless and efficient shooting experience, allowing for quick and easy setup and adjustment.

In addition to the ARCA SWISS mounting surface, the 51FIFTY ARCA Rail handguards also feature standard QD cups for sling attachment, ensuring maximum versatility and convenience. Furthermore, these handguards are equipped with an industry-first integrated 45-degree red-dot mounting area, which is coupled with the wider shape profile of the ARCA. This unique combination provides a superior AR15/M16 handguard shape profile, particularly when shooting from a bag rest or a barricade position.

Crafted with precision and attention to detail, the 51FIFTY ARCA Rail handguards are designed to meet the needs of discerning shooters who demand the best in quality and performance. Whether you are a seasoned professional or a novice enthusiast, these handguards are sure to exceed your expectations and enhance your shooting experience. Invest in the 51FIFTY ARCA Rail handguards today and take your shooting to the next level.

ARCA Rail Features:

  • 6061 Aluminum
  • Black Type III hard coat
  • Full length ARCA Swiss bottom rail
  • Integral 45-degree red dot mounting(requires riser sold separate) – not applicable on 6″ & 7.5″
  • 5 rows M-Lok
  • 2 QD cups
  • Proprietary barrel nut and hardware
  • Internal diameter 1.36″


Additional information

Select Handguard:

6", 7.5", 9.5", 11.5", 13.5", 15", 17", 19"


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