In summary, both the TenPoint Viper S400 and the Ravin R10 offer remarkable features, and the choice between them largely depends on your specific needs and preferences. 

The Viper S400 is slightly heavier but has a longer power stroke, while the R10 is exceptionally compact and lightweight. 

Recommended: Ravin R10 Crossbow: Specs, Features, Speed, User Reviews

When making your decision, consider factors such as draw weight, noise dampening, and scope features, and ensure the crossbow aligns with your style of hunting or shooting.

TenPoint Viper S400 Vs Ravin R10 crossbows

Here’s a comparison of some key specifications for the TenPoint Viper S400 and the Ravin R10:

SpecificationTenPoint Viper S400Ravin R10
SpeedUp to 400 feet per second (fps)400 fps
Draw Weight205 pounds270 pounds
Axle-to-Axle Width7.2 inches6 inches
Length32.2 inches33 inches
Weight7.5 pounds6.8 pounds
Power Stroke13.5 inches11 inches
Width Uncocked11 inches15 inches
TriggerT5 Auto-Engaging Safety TriggerRavin Trac-Trigger Firing
ScopeTenPoint Pro-View 3 ScopeRavin 4x32mm Scope
Noise Dampening SystemEVO-X Marksman Precision KitRavin’s HeliCoil Technology
Quiver3-Arrow Instant Detach Quiver3-Arrow Quiver

Tenpoint Viper S400

The Viper S400 is designed to be lightweight and compact, making it easy to handle and maneuver in tight spaces. 

It features the ACUslide silent cocking and safe de-cocking system, which allows for easy and quiet cocking and de-cocking of the crossbow. The S1 trigger provides a crisp and consistent break, enhancing accuracy.

The Viper S400 is known for its speed, shooting arrows at up to 400 feet per second (FPS) with a kinetic energy of 132 foot-pounds (FP KE). It comes with a high-quality scope, a quiver, and premium carbon arrows.


The TenPoint Viper S400 is a crossbow known for its accuracy, compact size, and speed. Here are some specifications and features of the TenPoint Viper S400:

  • Length (without foot stirrup): 32 inches
  • Width Axle-to-Axle (uncocked/cocked): 11 inches / 7.2 inches
  • Power Stroke: 11 inches
  • Weight (without accessories): 7.5 lbs
  • Speed/KE: Pro Light Carbon Arrow (370-grains) 400 FPS / 132 FP KE
  • Trigger: 2-stage zero-creep S1 trigger
  • Cocking Device: ACUslide Cocking and De-Cocking System
  • Optics: EVO-X Camo Scope mounted on a machined aluminum 7/8-inch Fixed Dovetail Mount
  • Quiver: 6-Arrow Tech Quiver
  • Arrows: Three Evo-X CenterPunch premium carbon arrows with 100-grain practice points


Here are some features of the TenPoint Viper S400 crossbow:

  • Compact and Lightweight: The Viper S400 measures 32 inches in length and weighs 7.5 lbs, making it easy to handle and maneuver in various hunting situations.
  • Speed and Power: The crossbow is capable of shooting arrows at speeds up to 400 feet per second (FPS) with a draw weight of 250 lbs. This provides excellent power and accuracy for hunting.
  • ACUslide Cocking and De-Cocking System: The Viper S400 features the ACUslide system , which allows for silent and safe cocking and de-cocking of the crossbow. This system makes it easier to load and unload the crossbow, enhancing convenience and safety.
  • Micro-Trac Barrel: The Viper S400 is equipped with a Micro-Trac barrel, which has integrated rollers that allow the trigger box to smoothly and securely slide down the rail . This design reduces friction, increases accuracy, and extends string life.
  • S1 Trigger: The crossbow is equipped with a 2-stage zero-creep S1 trigger, providing a crisp and consistent break for improved accuracy.
  • RangeMaster Pro Scope: The Viper S400 comes with the RangeMaster Pro Scope, which offers clear optics and helps shooters accurately aim at their targets.
  • Camo Pattern Options: The crossbow is available in Veil Alpine and Graphite camo patterns, allowing hunters to choose the option that suits their preferences and surroundings.


Based on the search results, the TenPoint Viper S400 has received positive reviews from customers and reviewers. Here are some key points mentioned in the reviews:

  • Features and Value: The Viper S400 is praised for offering a lot of features for its price, making it a popular choice among crossbow enthusiasts. It comes with innovative technology such as the ACUslide Cocking and De-Cocking System , Micro-Trac Barrel, and a 2-stage zero-creep S1 trigger.
  • Accuracy: Many reviewers mention the Viper S400’s accuracy, with tight groupings reported at various distances. The Micro-Trac Barrel and Quad Four cam system are credited for enhancing accuracy.
  • Compact and Lightweight: The Viper S400 is appreciated for its compact size and lightweight design , making it easy to handle and maneuver in tight spaces.
  • Speed and Power: The crossbow’s speed, shooting arrows up to 400 FPS, is highlighted in the reviews. The power stroke of 11 inches is also mentioned as a factor contributing to its performance.
  • Customer Service: TenPoint’s customer service is praised for being responsive and helpful in resolving any issues or inquiries.

It’s important to note that these reviews represent the opinions of individuals and may not reflect everyone’s experience


  • 400 FPS: The Viper S400 offers a high velocity of 400 feet per second, which provides excellent power and accuracy for hunting.
  • Compact: With a length of 32 inches, the Viper S400 is one of the shortest forward-draw crossbows by TenPoint. Its compact size allows for easy maneuverability in tight spaces.
  • Lightweight: The Viper S400 is lightweight, making it easier to carry and handle in the field.
  • Very safe: The crossbow features the ACUSlide cocking system, which enables silent cocking and safe de-cocking. This ensures convenience and ease of use without compromising safety.
  • Effortless Cocking: The ACUSlide system also allows for effortless cocking of the crossbow.
  • Less string wear: Users have reported fewer problems with string wear when using the Viper S400.


  • Different arrow weights: One con mentioned in the search results is that TenPoint speed-rates their crossbows with different arrow weights, which may affect the accuracy and performance of the crossbow.

Ravin R10

The Ravin R10 is a popular crossbow known for its versatility and ease of use. It is suitable for both experienced hunters and beginners. Despite its slim and lightweight design, the R10 delivers precise accuracy with arrow speeds of over 400 FPS, making it ideal for tree stand or ground blind hunting. 

The crossbow features Ravin’s HeliCoil technology, which helps maintain balance and allows the cams to rotate 340 degrees. The R10 is also available in Ravin’s exclusive Predator Camo markings. Users have praised the R10 for its performance, ease of use, and impressive accuracy at impressive distances. 


Here are the specifications of the Ravin R10 crossbow:

  • Velocity: 400 FPS (feet per second)
  • Power-Stroke: 11 inches
  • Kinetic Energy: 142 foot-pounds
  • Axle-to-Axle Width: 6 inches when cocked, 10.5 inches when uncocked
  • Overall Length: 33 inches
  • Weight: 6.8 pounds

Additional features and accessories that may come with the Ravin R10 package include:

  • Fully-assembled/pre-tuned crossbow
  • 3 Ravin .003 arrows and field tips (400 grain total)
  • 1 removable draw handle
  • 1 quiver/mounting bracket
  • 100-yard illuminated scope
  • Built-in cocking mechanism
  • Anti-dry fire/auto safety
  • Built-in sling mounts


Here are some of the features of the Ravin R10 crossbow:

  • Velocity: The Ravin R10 has arrow speeds of over 400 FPS (feet per second), providing excellent power and accuracy.
  • Compact Design: The R10 has a sleek and compact design, with a 6-inch axle-to-axle width when cocked, making it maneuverable in tight spaces.
  • Helicoil Technology: The R10 features Ravin’s Helicoil technology, which includes helical coil cables that keep them perfectly level throughout the entire draw process. This technology also allows for a compact and efficient design.
  • Versa-draw Cocking Mechanism: The R10 is equipped with a fully integrated crank mechanism called the Versa-draw, which reduces the draw force down to 12 pounds. It is compact and fully ambidextrous.
  • Trac-Trigger Firing System: The R10 utilizes a Trac-Trigger firing system, where the trigger slides down the rail to attach to the string prior to cocking, providing more precise string attachment.
  • Frictionless Flight System: The Ravin arrows used with the R10 are free-floating above the rail, eliminating friction for consistent accuracy and increased string and serving life.
  • Fully-Assembled/Pre-Tuned: The R10 comes fully assembled and pre-tuned, allowing for easy setup and use.
  • Included Accessories: The Ravin R10 package typically includes accessories such as a 100-yard illuminated scope, a quiver with mounting bracket, Ravin arrows and field tips, a built-in cocking mechanism, and built-in sling mounts.


The Ravin R10 is a highly regarded crossbow known for its high performance and accuracy. Users have praised its speed and the ability to hit targets accurately even at long distances. 

The R10 has a shooting speed of 400 fps, making it one of the fastest crossbows on the market.

The compact and lightweight design of the R10 makes it easy to handle and maneuver, which is appreciated by hunters of all ages and abilities. 

The crossbow comes with an illuminated scope that provides clear and precise aiming points.

While the majority of reviews are positive, there are a few minor drawbacks mentioned by users. 

Some users have reported that the cocking handle can hit the scope turret, which is a small inconvenience considering the overall performance of the crossbow

Additionally, there have been comments about the noise level of the R10, with some users wishing it was quieter.

Overall, the Ravin R10 is highly recommended for its high performance, accuracy, and user-friendly design. It offers excellent value for its price and is suitable for both experienced hunters and beginners.


  • High Performance: The Ravin R10 offers impressive arrow speeds of over 400 fps, making it one of the fastest crossbows on the market.
  • Accuracy: Users have praised the R10 for its exceptional accuracy, even at long distances.
  • Compact and Lightweight: The R10 has a compact and lightweight design, making it easy to handle and maneuver, especially in tight quarters or when staying mobile.
  • User-Friendly: The R10 is known for its user-friendly design, making it suitable for both experienced hunters and beginners.
  • Good Trigger: The R10 is equipped with a good trigger that provides a crisp break, enhancing accuracy and shot control.
  • Integrated Crank Device: The R10 comes with an integrated crank device for easy cocking, reducing the effort required to load the crossbow.


Price: The Ravin R10 is considered a high-priced crossbow, which may be a drawback for some buyers.

Limited Compatibility: The R10 requires the use of Ravin-specific accessories, such as arrows with special nock bushings, and a Ravin crossbow press for maintenance. This limits the options for accessories and may require finding a Ravin dealer or bow shop for support.

Noise Level: Some users have mentioned that the R10 can be a bit noisy compared to other crossbows.

TenPoint Viper S400 Vs Ravin R10

TenPoint Viper S400 Vs Ravin R10 crossbows

Let’s compare the TenPoint Viper S400 and the Ravin R10 crossbows feature by feature:


  • TenPoint Viper S400: The Viper S400 offers a maximum arrow speed of up to 400 feet per second, which is excellent for taking down a variety of game.
  • Ravin R10: The Ravin R10 also boasts a maximum arrow speed of 400 feet per second, offering exceptional accuracy and power.

Draw Weight:

  • TenPoint Viper S400: It has a draw weight of 205 pounds, providing ample kinetic energy for accurate shooting.
  • Ravin R10: The R10 has a higher draw weight of 270 pounds, resulting in substantial kinetic energy.


  • TenPoint Viper S400: With an axle-to-axle width of 7.2 inches and a length of 32.2 inches, it strikes a balance between compactness and stability.
  • Ravin R10: The R10 is incredibly compact with an axle-to-axle width of 6 inches and a length of 33 inches, making it highly maneuverable.


  • TenPoint Viper S400: It weighs 7.5 pounds, making it relatively lightweight and easy to carry.
  • Ravin R10: The R10 is slightly lighter than the Viper S400, weighing 6.8 pounds, which adds to its portability.

Power Stroke:

  • TenPoint Viper S400: The Viper S400 has a power stroke of 13.5 inches, contributing to its high-speed performance.
  • Ravin R10: The R10 features a power stroke of 11 inches, which also contributes to its speed.

Noise Dampening:

  • TenPoint Viper S400: Equipped with the EVO-X Marksman Precision Kit for reducing noise and vibration, contributing to a quieter shot.
  • Ravin R10: Utilizes Ravin’s HeliCoil Technology to minimize noise and vibration, ensuring a quieter shooting experience.


  • TenPoint Viper S400: Comes with the TenPoint Pro-View 3 Scope, enhancing accuracy and targeting capabilities.
  • Ravin R10: Equipped with a Ravin 4x32mm Scope for precision and accuracy in shooting.


  • TenPoint Viper S400: Features the T5 Auto-Engaging Safety Trigger for a smooth and safe shot.
  • Ravin R10: Features Ravin’s Trac-Trigger Firing System, providing accuracy and consistency in trigger operation.


  • TenPoint Viper S400: Includes a 3-Arrow Instant Detach Quiver for convenient arrow storage and quick access.
  • Ravin R10: Comes with a 3-Arrow Quiver for storing arrows while on the hunt.