Air Arms S400 MPR
€750.00
- Precharged pneumatic (PCP)
- Single-shot Bolt-action (not adjustable from RH side of gun)
- 7 joules (5.16 ft-lbs.)
- Highly adjustable match trigger (first-stage length, second-stage pull, move up/down, forward/back)
- 11mm dovetail
- Adjustable cheekpiece
- Adjustable buttpad
- 12-groove, nickel-plated Lothar Walther barrel
- Globe front sight accepts inserts
- Removable reservoir with built-in gauge (manometer)
- Lightweight, ambidextrous poplar stock
To fill the gun, unscrew the air reservoir and attach it to the 200-bar DIN hole of a scuba tank or hand pump. The end of the reservoir has a manometer (air pressure gauge), so you’ll always know how much air is left in the tank. The correct air pressure for the MPR is 200 bar (2,900 psi).
- ManufacturerAir Arms
- Caliber .177
- Velocity 540 fps
- Condition New
- Ammo Type Pellets
- Action Bolt-action
- Barrel Style Rifled
- Fire Mode Single-shot
- Gun Weight 6.80
- Overall Length 41.75
- Barrel Length 19.25
- Loudness 2-Low-Medium
- Mechanism Pre-charged pneumatic
- Rail 11mm dovetail
- Safety none
- Front Sights Globe w/Aperture Inserts
- Rear Sights Diopter/micrometer adjustable
- Shots per Fill 120
- Trigger Adjustability Five-way adjustable match
- Use Competition
- Warranty Lifetime limited warranty
Description
Air Arms S400 MPR Rifle – Precision Redefined for Serious Shooters
Introduction to the Air Arms S400 MPR Rifle
Precision shooting has long been associated with craftsmanship, consistency, and control. Therefore, the Air Arms S400 MPR Rifle has been engineered to meet the expectations of competitive shooters and dedicated enthusiasts alike. Designed with meticulous attention to detail, this rifle is recognized for its reliability, refined accuracy, and exceptional handling.Air Arms S400 MPR precision rifle
Moreover, a balance between power and finesse has been achieved, allowing both experienced marksmen and ambitious beginners to elevate their performance. As a result, the Air Arms S400 MPR Rifle continues to stand out as a benchmark in pre-charged pneumatic (PCP) air rifles.Air Arms S400 MPR precision rifle
Why the Air Arms S400 MPR Rifle Stands Out
Engineered for Consistency and Accuracy
Accuracy is not merely promised—it is consistently delivered. Through precision engineering, every shot is stabilized, ensuring tighter groupings even at extended ranges. Additionally, a high-quality barrel system has been incorporated, which contributes significantly to shot-to-shot consistency.
Furthermore, recoil has been minimized due to its PCP mechanism. Consequently, greater control is maintained, and improved shooting confidence is achieved.
Designed for Competitive and Recreational Use
Whether competitive shooting is pursued or recreational target practice is preferred, versatility has been embedded into the design. In addition, adaptability allows shooters of various skill levels to benefit equally.
Because of this flexibility, the rifle has become a preferred choice across multiple shooting disciplines.
Key Features of the Air Arms S400 MPR Rifle
Precision Barrel Technology
Superior barrel craftsmanship has been implemented to ensure exceptional accuracy. As a result, pellets are guided with minimal deviation, leading to improved precision.
Pre-Charged Pneumatic (PCP) System
A smooth and consistent shooting experience is provided through the PCP system. Therefore, reduced recoil and quieter operation are achieved.
Adjustable Stock Design
Comfort is prioritized through an ergonomic and adjustable stock. Consequently, a personalized shooting posture can be maintained.
Lightweight Yet Durable Build
Despite its robust construction, the rifle remains lightweight. Thus, extended shooting sessions can be enjoyed without fatigue.
Highlight Features at a Glance
- Precision-engineered barrel for enhanced accuracy
- Smooth PCP mechanism for consistent shooting
- Adjustable stock for ergonomic comfort
- Lightweight construction for ease of handling
- Reliable performance across shooting conditions
- Minimal recoil for improved control
- Durable materials ensuring long-term use
Performance Benefits of the Air Arms S400 MPR Rifle
Enhanced Shooting Accuracy
Because precision is critical, every component has been optimized to reduce inconsistencies. As a result, tighter shot groupings are consistently achieved.
Air Arms S400 MPR precision rifle Reduced Recoil for Better Control
Unlike traditional rifles, recoil is significantly minimized. Therefore, shooters can maintain focus and stability throughout each session.
Quiet Operation
Noise reduction has been carefully integrated. Consequently, the rifle is suitable for environments where discretion is valued.
Build Quality and Craftsmanship
Premium Materials Used
High-grade materials have been selected to ensure durability and reliability. In addition, wear resistance has been enhanced, allowing prolonged usage without performance degradation.
Air Arms S400 MPR precision rifle Attention to Detail
Every component has been carefully assembled. Thus, a seamless shooting experience is delivered.
Ergonomics and User Comfort
Adjustable Features
Comfort is enhanced through adjustable elements. Therefore, shooters of different sizes and preferences can achieve optimal positioning.
Balanced Weight Distribution
Weight has been evenly distributed. As a result, stability is improved during aiming and firing.
Ideal Use Cases for the Air Arms S400 MPR Rifle
Competitive Target Shooting
Precision and consistency make it ideal for competitions. Furthermore, accuracy advantages can significantly impact performance outcomes.
Recreational Shooting
For leisure shooting, reliability and ease of use are appreciated. Consequently, enjoyable shooting experiences are ensured.
Skill Development
Beginners can refine their skills effectively. Meanwhile, experienced shooters can push their limits further.
Technical Specifications Overview
- Type: Pre-Charged Pneumatic (PCP) Rifle
- Operation: Bolt-action system
- Barrel: Precision rifled barrel
- Stock: Adjustable ergonomic design
- Weight: Lightweight for extended use
- Accuracy Range: High precision at medium to long distances
Advantages Over Other Air Rifles
Superior Accuracy
Compared to standard air rifles, enhanced precision is consistently observed.
Better Control
Due to reduced recoil, handling is improved significantly.
Long-Term Reliability
Durability ensures consistent performance over time.
Maintenance and Care
Easy Maintenance Routine
Maintenance requirements are minimal. Therefore, upkeep remains straightforward.
Longevity Assurance
With proper care, extended lifespan is expected. Consequently, long-term value is delivered.
Who Should Choose the Air Arms S400 MPR Rifle?
Beginners Seeking Precision
Ease of use allows beginners to develop confidence quickly.
Experienced Shooters
Advanced features support high-level performance.
Competitive Enthusiasts
Accuracy and consistency provide a competitive edge.
Advanced Performance Insights of the Air Arms S400 MPR Rifle
Shot Consistency and Regulation
Consistency is often regarded as the defining factor in precision shooting. Therefore, the Air Arms S400 MPR Rifle has been engineered to deliver uniform air release with every shot. As a result, velocity fluctuations are minimized, and tighter shot groupings are consistently achieved.
Moreover, a regulated shooting cycle is effectively maintained. Consequently, shooters are provided with predictable performance, which is essential for competitive accuracy.
Trigger System and Control
A refined trigger mechanism has been incorporated to enhance shooting precision. In addition, a crisp and predictable break is ensured, allowing greater control during firing.
Because trigger sensitivity directly impacts accuracy, fine adjustments can be made. Thus, each shot is executed with improved confidence and stability.
Air Efficiency and Power Management
Optimized Air Usage
Efficiency has been prioritized in the rifle’s design. Therefore, compressed air is utilized effectively, allowing more shots per fill.
Furthermore, consistent pressure distribution has been achieved. As a result, performance remains stable throughout the shooting session.
Reliable Power Output
Power delivery has been calibrated to ensure balance between force and accuracy. Consequently, pellets maintain stable trajectories without excessive recoil.
In addition, controlled energy output contributes to improved target penetration and consistency.
Use Tips for the Air Arms S400 MPR Rifle
Effective performance is not only determined by the rifle itself but also by how it is used. Therefore, the following use tips for the Air Arms S400 MPR Rifle have been provided to help maximize accuracy, efficiency, and longevity.
Start with Proper Setup
Before shooting begins, a correct setup should be ensured. Therefore, the rifle should be checked for proper air pressure levels and secure fittings.
In addition, optics should be aligned carefully. As a result, consistent targeting accuracy is achieved from the start.
Maintain Optimal Air Pressure
Consistent performance is closely tied to stable air pressure. Thus, the air cylinder should always be kept within the recommended pressure range.
Moreover, overfilling should be avoided. Consequently, internal components are protected, and shot consistency is preserved.
Use High-Quality Pellets
Pellet quality significantly impacts performance. Therefore, only high-grade pellets should be used.
In addition, consistent pellet weight and shape should be selected. As a result, improved accuracy and tighter groupings are achieved.
Practice Consistent Shooting Technique
A stable shooting technique is essential. Therefore, posture, grip, and trigger control should remain consistent.
Furthermore, smooth trigger pulling should be practiced. Consequently, shot deviation is minimized.
Adjust the Stock for Comfort
Comfort directly influences control. Thus, the adjustable stock should be set to match the shooter’s body position.
As a result, better stability and reduced fatigue are achieved during extended sessions.
Keep the Barrel Clean
Regular cleaning is necessary to maintain accuracy. Therefore, the barrel should be cleaned periodically using appropriate tools.
In addition, buildup should be prevented. Consequently, pellet trajectory remains consistent.
Store the Rifle Properly
Proper storage conditions should always be maintained. Therefore, the rifle should be kept in a dry and secure environment.
Moreover, exposure to moisture should be avoided. As a result, corrosion and damage are prevented.
Monitor Shot Consistency
Performance should be observed regularly. Therefore, changes in accuracy or sound should be noted.
If inconsistencies are detected, maintenance should be performed. Consequently, optimal performance is restored quickly.
Use Appropriate Shooting Environments
Safe and controlled environments should always be chosen. Therefore, both indoor and outdoor ranges can be utilized effectively.
In addition, distractions should be minimized. As a result, focus and precision are improved.
Design Innovation and Aesthetic Appeal
Sleek and Functional Design
A modern and streamlined design has been implemented. As a result, both functionality and visual appeal are enhanced.
Moreover, attention to aesthetics has not been overlooked. Consequently, the rifle maintains a professional and premium appearance.PCP air rifle for target shooting
Precision Craftsmanship
Every component has been carefully machined and assembled. Therefore, tolerances are minimized, and reliability is improved.PCP air rifle for target shooting
In addition, quality assurance processes ensure that each unit meets high-performance standards.
Safety Features and Reliability
Built-In Safety Mechanisms
Safety has been integrated into the rifle’s operation. Thus, accidental discharge risks are reduced.
Furthermore, intuitive controls allow safe handling at all times. Consequently, user confidence is increased.
Long-Term Reliability
Durability has been reinforced through robust construction. Therefore, the rifle performs consistently under various conditions.
In addition, resistance to wear and environmental factors has been enhanced. As a result, longevity is ensured.

Customization and Accessories Compatibility
Scope Compatibility
A wide range of optics can be mounted with ease. Therefore, shooters can tailor their setup for different shooting scenarios.
Moreover, compatibility with high-quality scopes enhances targeting precision.
Accessory Integration
Additional accessories can be integrated seamlessly. Consequently, the rifle adapts to evolving user needs.
Furthermore, customization options allow performance optimization for specific shooting styles.
Shooting Experience and Handling
Smooth Operation
Operation has been designed to feel effortless. Therefore, each shot cycle is smooth and controlled.
In addition, minimal mechanical resistance enhances the overall shooting experience.
Stability and Balance
Balance has been carefully engineered. As a result, steady aiming is supported.
Moreover, improved handling reduces fatigue during extended sessions.
Environmental Adaptability
Performance in Different Conditions
The rifle has been designed to perform reliably across various environments. Therefore, temperature and humidity variations have minimal impact.
In addition, consistent accuracy is maintained regardless of external conditions.
Outdoor and Indoor Versatility
Whether used indoors or outdoors, performance remains stable. Consequently, versatility is maximized.
Competitive Edge of the Air Arms S400 MPR Rifle
Precision Advantage
Superior accuracy provides a measurable advantage in competitions. Therefore, shooters can achieve higher scores consistently.
Confidence Boost
Reliable performance builds shooter confidence. As a result, focus and execution are improved.
Comparison with Similar PCP Rifles
Accuracy Comparison
Compared to other PCP rifles, enhanced precision is frequently observed. Therefore, competitive shooters often prefer this model.
Efficiency Comparison
Air efficiency has been optimized beyond standard levels. Consequently, fewer refills are required.
Durability Comparison
Build quality surpasses many alternatives. As a result, long-term reliability is achieved.
Buyer Considerations
What to Look for in a PCP Rifle
- Consistent shot performance
- Reliable air efficiency
- Ergonomic comfort
- Durable construction
- Customization options
Why Choose the Air Arms S400 MPR Rifle
Because all key performance factors are addressed, this rifle remains a top-tier choice. Furthermore, its balance of precision and usability sets it apart.
Maintenance Tips for Optimal Performance
Regular Cleaning
Cleaning should be performed periodically. Therefore, performance degradation is prevented.
Air Cylinder Care
Proper handling of the air cylinder is essential. Consequently, safety and efficiency are maintained.
Storage Best Practices
Storage in a dry and secure environment is recommended. As a result, longevity is preserved.
Ideal Use Cases for the Air Arms S400 MPR Rifle
Versatility has been carefully engineered into the Air Arms S400 MPR Rifle. Therefore, a wide range of shooting applications can be effectively supported. Moreover, consistent accuracy and controlled power allow this rifle to perform reliably across different scenarios.
Target Shooting and Precision Practice
Precision shooting is where this rifle truly excels. As a result, it is widely used for target practice at both beginner and advanced levels.
Furthermore, tight shot groupings are consistently achieved. Consequently, skill development is accelerated, and shooting confidence is improved.
Because of its minimal recoil and smooth firing cycle, extended practice sessions can be conducted comfortably.
Competitive Shooting Environments
In competitive settings, performance consistency is critical. Therefore, the Air Arms S400 MPR Rifle is frequently chosen by serious competitors.
Additionally, repeatable accuracy ensures that scoring potential is maximized. As a result, shooters gain a measurable advantage during competitions.
Moreover, fine control over each shot allows precise adjustments under pressure.

Training and Skill Development
For training purposes, reliability and ease of use are essential. Thus, this rifle serves as an excellent platform for learning proper shooting techniques.
In addition, beginners can focus on fundamentals without being affected by heavy recoil. Consequently, better habits are developed early.
Meanwhile, experienced shooters can refine advanced techniques with greater precision.
Recreational and Hobby Shooting
Leisure shooting is made more enjoyable with consistent performance. Therefore, hobbyists can rely on this rifle for a satisfying experience.
Moreover, smooth handling enhances comfort during casual use. As a result, longer sessions can be enjoyed without fatigue.
Indoor Range Shooting
Controlled environments demand quiet and stable operation. Consequently, the rifle’s low noise output makes it suitable for indoor ranges.
Additionally, consistent velocity ensures predictable results at shorter distances. Therefore, indoor precision is maintained.
Outdoor Range Shooting
Outdoor conditions often introduce variables such as wind and distance. However, stable pellet trajectory helps maintain accuracy.competition air rifle PCP
As a result, the rifle performs reliably even in changing environments.
Frequently Asked Questions (FAQs) – Air Arms S400 MPR Rifle
Clarity is often sought before a purchase decision is made. Therefore, the most common questions about the Air Arms S400 MPR Rifle have been addressed below to support informed decision-making.
What type of rifle is the Air Arms S400 MPR Rifle?
The Air Arms S400 MPR Rifle is classified as a pre-charged pneumatic (PCP) air rifle. As a result, compressed air is used to propel pellets, ensuring consistent power and reduced recoil.competition air rifle PCP

Is the Air Arms S400 MPR Rifle suitable for beginners?
Ease of use has been carefully considered in the design. Therefore, beginners can adopt this rifle comfortably while learning proper shooting techniques.competition air rifle PCP
However, due to its precision-focused design, it is especially appreciated by intermediate and advanced shooters.
What makes the Air Arms S400 MPR Rifle accurate?
High accuracy is achieved through a combination of precision barrel engineering and consistent air delivery. In addition, minimal recoil allows better shot control.
Consequently, tighter shot groupings are consistently produced.
How many shots can be taken per air fill?
Shot count depends on usage conditions and settings. However, efficient air management ensures a relatively high number of consistent shots per fill.
Therefore, fewer interruptions during shooting sessions are experienced.
Does the rifle require frequent maintenance?
Maintenance requirements are relatively low. Nevertheless, regular cleaning and proper air cylinder care are recommended.
As a result, long-term performance and reliability are preserved.
Can a scope be mounted on the Air Arms S400 MPR Rifle?
Yes, scope compatibility has been integrated into the design. Therefore, a wide range of optics can be mounted for enhanced targeting precision.
Is the Air Arms S400 MPR Rifle suitable for indoor shooting?
Low noise output and minimal recoil make it suitable for controlled environments. Consequently, indoor range shooting can be performed effectively.
What type of pellets should be used?
High-quality pellets are recommended for optimal performance. In addition, consistent pellet weight and shape contribute to improved accuracy.
Therefore, better shooting results are achieved.
How safe is the Air Arms S400 MPR Rifle?
Safety features have been incorporated to reduce risks during operation. Furthermore, proper handling and adherence to safety guidelines are essential.
As a result, safe usage is ensured.
Is the rifle customizable?
Customization options are available through compatible accessories. Therefore, shooters can tailor the rifle to their specific preferences and needs.
What is the ideal use of the Air Arms S400 MPR Rifle?
The rifle is ideal for target shooting, training, and competitive environments. In addition, recreational use is also well supported.
Consequently, versatility is one of its key strengths.
How long does the rifle last?
Durability has been prioritized in its construction. Therefore, with proper care and maintenance, long-term use is expected.
Additional information
| Caliber | .177 |
|---|














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