The TenPoint Viper S400, a popular crossbow, has earned praise for its power and accuracy, but it isn’t without its drawbacks. Some users have reported common issues.
One is the development of small cracks in the limbs over time, potentially affecting performance and safety.
Another problem is occasional jamming or difficulty in smoothly operating the cocking mechanism.
Additionally, a few users noted a stiff trigger, which could impact accuracy.
While not all users experience these problems, it’s essential to consider them when choosing the TenPoint Viper S400 as your crossbow.
TenPoint Viper S400
TenPoint Viper S400 Specs
The TenPoint Viper S400 is a compact and powerful crossbow that offers impressive specifications. Here are some of the key specs of the Viper S400:
Shooting Speed:
The Viper S400 is capable of shooting arrows up to 400 feet per second (FPS). This high velocity provides excellent power and accuracy for hunting and target shooting.
Draw Weight:
The crossbow has a draw weight of around 185 pounds, which requires a certain level of strength to cock and shoot. However, it also contributes to the Viper S400’s high speed and kinetic energy.
Power Stroke:
The power stroke of the Viper S400 measures approximately 11 inches. The power stroke is the distance the string travels from its resting position to its fully drawn position. A longer power stroke typically results in higher arrow velocity.
Length and Width:
The Viper S400 is relatively compact, measuring 32 inches in length. When uncocked, it has a width of 11 inches, and when cocked, it narrows down to 7.2 inches. This compact design makes it easy to maneuver in tight spaces.
Weight:
The Viper S400 weighs around 7.5 pounds (without accessories). While not the lightest crossbow available, it strikes a balance between portability and stability.
Trigger:
The Viper S400 features the S1 trigger, which is a two-stage zero-creep trigger. This trigger system is designed to provide a smooth and crisp pull, enhancing accuracy.
Cocking Mechanism:
One notable feature of the Viper S400 is the ACUslide cocking mechanism. This innovative mechanism allows for safe and silent cocking and decocking of the crossbow. It provides convenience and ease of use for hunters.
These specifications make the TenPoint Viper S400 a high-performing crossbow suitable for both experienced and novice archers. However, it’s important to note that these are general specifications, and for precise details, it’s always recommended to refer to the manufacturer’s official documentation or consult with a TenPoint representative.
TenPoint Viper S400 Features
The TenPoint Viper S400 has several notable features that contribute to its performance and user experience. Here are some of the key features of the Viper S400:
ACUslide Cocking Mechanism:
The Viper S400 is equipped with the ACUslide cocking mechanism, which allows for safe and silent cocking and decocking of the crossbow. This innovative feature enhances convenience and ease of use for hunters.
S1 Trigger:
The Viper S400 features the S1 trigger, a two-stage zero-creep trigger design.
This trigger system sets a new standard in high-performance crossbow accuracy, providing a smooth and crisp pull.
Micro-Trac Barrel:
The crossbow is equipped with a micro-trac barrel, which enhances accuracy and consistency by increasing the string-to-rail contact.
This feature helps to minimize arrow deviation and improve overall shooting performance.
RangeMaster Pro Scope:
The Viper S400 comes standard with the RangeMaster Pro Scope. This scope provides a clear and precise aim, allowing for accurate shots at various distances.
Compact Design:
The Viper S400 has a compact design, measuring 32 inches in length. This makes it easy to maneuver in tight spaces, such as dense woods or hunting blinds.
Lightweight:
Weighing around 7.5 pounds (without accessories), the Viper S400 is relatively lightweight. This makes it easier to carry and handle during long hunting trips or extended shooting sessions.
Camouflage Options:
The Viper S400 is available in two different camo patterns: Veil Alpine and Graphite Grey. These options provide hunters with choices that can blend well with different environments.
Tenpoint Viper S400 Problems
Trigger Problems
Here are Potential Causes, Effects, and Solutions for TenPoint Viper S400 Trigger Problems
Potential Causes:
- Faulty Trigger Mechanism: The trigger mechanism of the TenPoint Viper S400 may be faulty or misaligned, leading to trigger problems.
- Damage or Misalignment: Physical damage or misalignment of the trigger components can also cause trigger problems.
Effects:
- Inconsistent Trigger Pull: A faulty trigger mechanism can result in an inconsistent or unpredictable trigger pull.
- Failure to Fire: Trigger problems may prevent the crossbow from firing when the trigger is pulled.
Solutions:
- Verify Proper Installation: Ensure that the trigger mechanism is installed correctly and securely. Check the owner’s manual for guidance on proper installation.
- Inspection and Adjustment: Remove the covers and inspect the trigger mechanism for any visible damage or misalignment. If you notice any issues, contact TenPoint customer support for assistance. They may provide guidance on how to fix the problem or recommend sending the crossbow for repairs.
- Professional Assistance: If you are not comfortable inspecting or adjusting the trigger mechanism yourself, it is recommended to take the crossbow to a professional archery shop or contact TenPoint customer support for further assistance.
Cocking Difficulties
Here are Potential Causes, Effects, and Solutions for TenPoint Viper S400 Cocking Difficulties
Potential Causes:
- Heavy Draw Weight: The Viper S400 has a relatively high draw weight, which may make it challenging for some users to manually cock the crossbow.
- Inadequate Technique: Improper cocking technique, such as not using proper body mechanics or leverage, can contribute to cocking difficulties.
Effects:
- Strain and Discomfort: Cocking difficulties can lead to physical strain and discomfort for the user, especially if they are not able to effectively and efficiently cock the crossbow.
- Inaccurate Shots: If the crossbow is not properly cocked, it can result in inconsistent or inaccurate shots, affecting the overall performance of the Viper S400.
Solutions:
- Use a Cocking Device: Consider using a cocking device, such as a rope cocker or crank cocking device, to assist with the cocking process. These devices provide mechanical advantage and make cocking easier.
- Proper Technique: Ensure that you are using proper cocking technique, utilizing your body mechanics and leverage effectively. Refer to the owner’s manual or instructional videos for guidance on proper cocking technique.
- Seek Assistance: If you are still experiencing difficulties, consider seeking assistance from a more experienced archer or visiting an archery shop. They may be able to provide guidance on proper cocking technique or suggest alternative methods to make cocking easier.
Dry Fire Inhibitor (DFI) not engaging
Here are Potential Causes, Effects, and Solutions for TenPoint Viper S400 Dry Fire Inhibitor (DFI) Not Engaging
Potential Causes:
- Misalignment of Bowstring: If the bowstring is not properly aligned, it may not engage the Dry Fire Inhibitor (DFI) mechanism.
- Damage or Wear: Damage or wear to the DFI mechanism or related components can prevent it from engaging properly.
- Insufficient Lubrication: Lack of proper lubrication on the DFI mechanism can hinder its engagement.
Effects:
- Risk of Dry Fire: If the DFI does not engage, there is a higher risk of dry firing the crossbow, which can cause damage to the bow and potentially lead to injury or equipment failure.
Solutions:
- Verify Proper Installation and Alignment: Ensure that the bowstring is properly installed and aligned with the DFI mechanism. Consult the owner’s manual or contact TenPoint customer support for guidance on proper installation and alignment.
- Inspect for Damage or Wear: Carefully inspect the DFI mechanism and related components for any visible damage or signs of wear. If you notice any issues, contact TenPoint customer support for assistance. They may provide guidance on how to fix the problem or recommend sending the crossbow for repairs.
- Lubrication: Apply a small amount of lubricant to the DFI mechanism as per the manufacturer’s recommendations. Be cautious not to over-lubricate, as it may attract dirt and debris.
Scope problem
Here are Potential Causes, Effects, and Solutions for TenPoint Viper S400 Scope Problems
Potential Causes:
- Misalignment: The scope may be misaligned, causing accuracy issues or difficulty in sighting in the target.
- Mounting Issues: Improper mounting of the scope or loose scope rings can lead to instability and affect accuracy.
- Scope Malfunction: The scope itself may have a defect or malfunction that hinders its performance.
Effects:
- Inaccurate Shots: Scope problems can result in inaccurate shots, making it difficult to hit the intended target.
- Frustration and Reduced Confidence: Continuous scope issues can lead to frustration and decreased confidence in the crossbow’s performance.
Solutions:
- Check Alignment: Ensure that the scope is properly aligned with the crossbow. Follow the instructions in the owner’s manual or seek professional assistance to ensure correct alignment.
- Tighten Scope Rings: If the scope rings are loose, tighten them carefully to secure the scope in place. Avoid overtightening, as it may damage the scope or crossbow.
- Verify Mounting: Double-check that the scope is mounted securely to the crossbow. If necessary, remount the scope, ensuring it is properly seated and tightened.
- Seek Professional Help: If the scope problems persist or if you suspect a defect or malfunction, contact TenPoint customer support or consult a professional archery shop for assistance. They may be able to diagnose and address the issue or recommend a replacement if necessary.
Limb Problem
Here are Potential Causes, Effects, and Solutions for TenPoint Viper S400 Limb Problems
Potential Causes:
- Limb Damage: The limbs of the TenPoint Viper S400 may become damaged or cracked, affecting their performance and stability.
- Limb Misalignment: Improper limb alignment can cause issues with accuracy and overall crossbow performance.
- Limb Defect: There may be a defect in the limbs themselves, such as manufacturing flaws or material weaknesses.
Effects:
- Reduced Power and Speed: Damaged or misaligned limbs can lead to a decrease in the crossbow’s power and speed, affecting its overall performance.
- Inaccuracy: Limb problems can result in inaccurate shots and difficulty in hitting the intended target.
- Safety Concerns: Severely damaged or compromised limbs can pose safety risks during use.
Solutions:
- Inspect Limbs: Regularly inspect the limbs for any visible damage, cracks, or signs of wear. If you notice any issues, discontinue use and contact TenPoint customer support or consult a professional archery shop for further guidance.
- Align Limbs: If you suspect limb misalignment, consult the owner’s manual or seek professional assistance to ensure proper limb alignment. Do not attempt to adjust or realign the limbs yourself unless you have the necessary knowledge and experience.
- Replace Limbs: If the limbs are significantly damaged or if there is a manufacturing defect, contact TenPoint customer support or consult a professional archery shop to discuss the possibility of replacing the limbs. They will be able to provide guidance on the best course of action.
Tenpoint Viper S400: FAQ
What is the TenPoint Viper S400 crossbow’s draw weight?
The TenPoint Viper S400 has a draw weight of 185 pounds.
What is the maximum arrow speed this crossbow can achieve?
This crossbow can shoot arrows at speeds of up to 400 feet per second (fps).
Is the TenPoint Viper S400 crossbow suitable for hunting big game?
Yes, it’s well-suited for hunting various big game, thanks to its high arrow speed and power.
What is the axle-to-axle width of this crossbow?
The TenPoint Viper S400 has an axle-to-axle width of 7.2 inches when cocked and 11 inches when uncocked.
Can I mount a scope on this crossbow, and if so, what type of scope does it accommodate?
Yes, it comes with a Pro-View 3 scope, but it’s also compatible with other 7/8-inch scopes.
How easy is it to assemble the TenPoint Viper S400 out of the box?
It’s relatively straightforward to assemble, and it comes with detailed instructions. Many users find it easy to set up.
What kind of safety features does this crossbow have?
The TenPoint Viper S400 features an integrated safety system, a dry-fire inhibitor, and an auto-engaging safety mechanism for added protection.
Is it suitable for beginners, or is it more geared toward experienced crossbow users?
While it’s suitable for both beginners and experienced users, it may require some practice for beginners due to its power.
What type of arrows should I use with this crossbow?
TenPoint recommends using Pro Elite 400 carbon arrows for optimal performance.
What’s included in the package when I buy the TenPoint Viper S400 crossbow?
The package typically includes the crossbow, a Pro-View 3 scope, a quiver, three Pro Elite 400 carbon arrows, and a user manual.
Does it come with a warranty?
Yes, TenPoint offers a limited lifetime warranty on the crossbow to the original owner.
