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Viper S400 Crossbow Matches Rangefinding Scope with Affordability

TenPoint's new Viper S400 Oracle X features Burris scope, 400 feet per second.

Viper S400 Crossbow Matches Rangefinding Scope with Affordability

Viper S400 Oracle X

Featuring the Burris Oracle X rangefinding crossbow scope and the revolutionary ACUslide cocking and de-cocking system, the new TenPoint Viper S400 Oracle X is a "more affordable range-finding crossbow option," the company says.

The scope is paired with the Viper S400 crossbow, with speeds up to 400 feet per second as one of TenPoint’s shortest forward-draw crossbows (32 inches long).

TenPoint announced the new model this week.

"We are excited to team with Burris and their storied past of range-finding optics," said Rick Bednar, TenPoint CEO.  "At 400 feet per second and safe de-cocking, the Viper S400 has been one of our most highly rated crossbows ever, and the addition of the Oracle X takes it to a new level of performance."

The Oracle X includes a built-in laser rangefinder controlled with a wireless remote or button on the scope. It instantly ranges game up to 200 yards away and reflective targets to 500. The 2x-7x Oracle X displays the distance to the target and an exact aiming point that factors in shot angle, leading to greater accuracy and more ethical shots.

The ACUslide features the company’s groundbreaking Auto-Brake Gear System, which allows for silent cocking and safe and controlled de-cocking. The Auto-Brake Gear System, features a new brake pad, eliminating the potential of losing control during the cocking or de-cocking process. The crank handle reduces cocking effort to five pounds and stores securely into the butt-stock.

Fueled by RX6-Cams, the forward-draw bow assembly makes for one of TenPoint’s shortest traditional crossbows. The innovative cam system rotates 340 degrees to produce speeds up to 400 fps. The Vector-Quad cable system technology uses four cables instead of the traditional two , eliminating cam lean and generating straight-nock travel.

The Viper S400 Oracle X features the S1 trigger, a two-stage, zero-creep design that delivers a consistent crisp, 3.5-pound pull. The trigger is equipped with a DFI (Dry Fire Inhibitor) and is fitted with a nylon-filament arrow retention brush that improves arrow grip and alignment to reduce noise and vibration. An integrated string stop system is also included to further reduce noise and vibration.

The crossbow has a 17-inch MICRO-TRAC fluted aluminum barrel which reduces the flight deck surface in half. The minimal string-to-barrel contact increases accuracy and string life.


The barrel is fastened to the ultra-light, two-piece TEC-X stock that features multiple weight reducing cutouts, as well as a hollow pocket that houses the ACUslide cocking and de-cocking system. The stock provides the shooter with ideal length-of-pull and combines with the RangeMaster Pro Scope to yield perfect eye-level alignment.

Viper S400 Oracle X
Viper S400 Oracle X

The package includes:

  • ACUslide cocking and de-cocking system
  • Burris® Oracle X™ Rangefinding Crossbow Scope
  • 3-pack of EVO-X® CenterPunch™ Carbon Crossbow Arrows (.001” straightness)
  • Integrated String Stop System
  • 6-arrow Tech Quiver
  • $2,499.99 in Veil Alpine™ Camo

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