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Discover the Exceptional Performance of the Weihrauch HW90K Gas-Ram Air Rifle
Precision, reliability, and refined German engineering are delivered by the Weihrauch HW90K, a standout break-barrel air rifle that continues to impress shooters seeking consistent power without the drawbacks of traditional spring systems. Built around the proven Theoben gas-ram design (now produced in-house by Weihrauch), this carbine model combines fast lock times, reduced vibration, and enduring durability in a package designed for hunting, pest control, and recreational target work. Consequently, the Weihrauch HW90K has earned its reputation as one of the most capable gas-ram rifles available to enthusiasts of all experience levels.
Smooth, vibration-free performance is achieved through the sealed gas-ram powerplant at the heart of the Weihrauch HW90K. Unlike conventional spring-piston designs, compressed gas is utilized to propel the piston, resulting in a quicker lock time and the virtual elimination of spring twang or resonance. Moreover, the rifle can safely remain cocked for extended periods without the risk of spring fatigue, a significant advantage during patient field sessions or hide work.
Furthermore, the system produces a crisp, predictable firing cycle that many shooters describe as cleaner and more controlled than traditional springers. In addition, power levels are maintained near the UK legal limit of approximately 11 ft/lbs across popular pellet weights, delivering reliable energy for small-game and pest control applications. As a result, consistent velocities and tight groups are regularly reported by users who pair the rifle with quality pellets.
A solid beech sporter stock forms the foundation of the Weihrauch HW90K, featuring an extended forearm, raised cheekpiece, checkered pistol grip, and rubber buttplate. These elements combine to create a balanced, stable platform that absorbs recoil effectively while promoting a natural shooting position. Although the rifle is configured primarily for right-handed use, the overall shape allows comfortable handling by a wide range of shooters.
Deep chemical bluing protects the metalwork, while the signature chunky adjustable breech bolt ensures secure and repeatable barrel alignment. Meanwhile, the carbine-length barrel (approximately 12–12.25 inches) keeps overall dimensions manageable—typically around 37.8 to 45 inches depending on configuration—without sacrificing the accuracy for which Weihrauch barrels are renowned. A high-efficiency silencer is fitted as standard on most models, helping to moderate muzzle report for more discreet field use.
Exceptional shot control is provided by the Elite two-stage adjustable trigger unit, which shares many characteristics with Weihrauch’s celebrated Rekord design. A clear first-stage take-up is followed by a crisp, predictable break that supports confident shot placement. In addition, an automatic safety is engaged upon cocking and can be reset if needed, adding an important layer of security during handling and storage.
Scope mounting is facilitated by the 11 mm dovetail rail machined into the cylinder, allowing a wide variety of optics to be fitted securely. Because the K model is optimized as a carbine with silencer, open sights are typically omitted, encouraging the use of a quality scope for best results at typical hunting and target distances.
These specifications position the Weihrauch HW90K as a versatile, adult-oriented sporter capable of delivering consistent accuracy—often sub-inch groups at 25–30 yards under controlled conditions—when paired with suitable ammunition and a steady hold.
Real-world testing consistently demonstrates the strengths of the Weihrauch HW90K. Chronograph results typically show tight velocity spreads and healthy energy figures with popular pellets such as Air Arms Diabolo Field or similar match-grade options. Accuracy benefits from the fast lock time and reduced vibration, allowing shooters to maintain sight picture more effectively through the shot cycle. Therefore, both standing and supported positions can produce impressive results once the rifle is properly zeroed and the shooter becomes familiar with its handling characteristics.
Cocking effort is firm, as expected from a full-power gas-ram design, yet a smooth, continuous stroke minimizes the force required. Subsequently, many users find the action becomes second nature after a short familiarization period. The ability to leave the rifle cocked without concern further enhances its suitability for opportunistic pest control or hide-based hunting.
Longevity and pride of ownership are central to the Weihrauch philosophy, and the HW90K exemplifies this approach. Premium materials, meticulous machining, and a powerplant free from spring fatigue contribute to a rifle that is built to last for decades with proper care. In addition, the combination of German engineering, a refined trigger, and practical field features creates a compelling package for anyone seeking a high-quality break-barrel alternative to both traditional springers and more complex pre-charged systems.
Whether the goal is ethical small-game hunting, effective pest management, or enjoyable plinking and target practice, the Weihrauch HW90K delivers the consistency and refinement expected from one of the most respected names in airgun manufacturing. Moreover, its unique gas-ram character sets it apart in a crowded market, offering a shooting experience that many describe as both powerful and controlled.
Ready to experience the difference for yourself? Explore the Weihrauch HW90K today and discover how this classic gas-ram carbine can elevate every session at the range or in the field. Quality, performance, and enduring value are all brought together in one exceptional air rifle designed for shooters who demand the best.
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Calibres, FAC Options, Power Levels and Recommended Accessories for the Weihrauch HW90K
A versatile platform is offered by the Weihrauch HW90K through its range of available calibres, adaptable power potential and a wide selection of complementary accessories. Consequently, this gas-ram carbine can be tailored to suit different shooting disciplines, legal requirements and personal preferences. Whether the priority is precision target work, effective pest control or higher-powered FAC use, the rifle’s design provides a strong foundation that can be refined further with the right setup.
Standard production of the Weihrauch HW90K centres on two primary calibres: .177 (4.5 mm) and .22 (5.5 mm). In addition, .20 and .25 calibres are offered on special order in certain markets, giving experienced shooters further flexibility.
The .177 option is frequently chosen for its flatter trajectory and higher velocity potential. As a result, it proves especially popular among target shooters and those engaging smaller vermin at moderate ranges. Meanwhile, the .22 calibre delivers greater pellet mass and retained energy, making it a preferred choice for hunting and pest control where knockdown performance is valued. Special-order .20 and .25 options allow further experimentation with ballistic characteristics, though availability should always be confirmed with authorised dealers.
Each calibre benefits from the same high-quality Weihrauch rifled barrel and the consistent power delivery of the gas-ram system. Therefore, once a preferred pellet is identified through testing, excellent accuracy can be achieved across the range of available chamberings.hw 97k
In standard UK specification, the Weihrauch HW90K is regulated to produce approximately 11 ft/lbs of muzzle energy, remaining comfortably within the legal limit for unlicensed air rifles. Chronograph testing typically returns figures in the region of 10.3–11.1 ft/lbs depending on pellet weight and type, with tight velocity spreads that support repeatable accuracy.
A key design feature of the model is its oversized 35 mm diameter compression cylinder. This robust construction allows the rifle to be adapted for higher FAC (Firearms Certificate) power levels when required and legally permitted. Consequently, export or FAC versions can deliver significantly increased energy, extending the rifle’s capability for longer-range work or larger quarry in jurisdictions where such power is authorised.
Power adjustment on the gas-ram unit is possible via a small valve located at the rear of the cylinder. By using a compatible Slim Jim-style hand pump and gauge, internal pressure can be increased or decreased, enabling fine-tuning of velocity and energy. This adjustability is particularly valued by enthusiasts who wish to optimise performance for specific pellets or shooting conditions. However, any modification that takes a UK rifle above 12 ft/lbs requires the appropriate FAC, and local regulations must always be observed.hw 40.weihrauch hw 95
Because the HW90K carbine is typically supplied without open sights, a quality optic is considered essential for most users. The 11 mm dovetail rail provides a secure mounting platform, and one-piece mounts with recoil stops (such as Sportsmatch Dampa or equivalent designs specifically recommended for gas-ram and spring rifles) are strongly advised to maintain zero under the rifle’s firing cycle.weihrauch hw80.hw 70
Popular scope choices include models with adjustable objectives, parallax correction from close range, and robust construction rated for airgun recoil. Variable-power optics in the 3–9×40, 4–12×40 or 4–16×40 ranges are frequently fitted, offering versatility for both short-range pest control and more precise target work. Illuminated reticles can further assist in low-light conditions.hw 44
Additional practical accessories include:
A well-chosen combination of optic, mounts and pellets transforms the already capable Weihrauch HW90K into a highly effective and personalised shooting tool. Furthermore, the inclusion of a factory silencer on most packages helps keep muzzle report moderate, enhancing its suitability for discreet field use.hw 98
Careful selection of calibre, power level and accessories allows the Weihrauch HW90K to be configured for a wide variety of roles. Target-oriented shooters often favour .177 with a higher-magnification scope and lighter pellets, while hunters may prefer .22 combined with a lower-power optic and heavier ammunition for improved terminal performance. FAC owners can explore the higher energy potential of the large cylinder, provided all legal requirements are met.
In every configuration, the core strengths of the gas-ram system—fast lock time, reduced vibration and the ability to remain cocked safely—remain constant. Therefore, investing in quality supporting equipment ensures that these advantages are fully realised. Whether the goal is consistent groups on the range or reliable results in the field, the right combination of calibre, power setting and accessories maximises the potential of this refined German-engineered carbine.h 45
Explore authorised Weihrauch dealers to confirm current calibre availability, FAC options and compatible accessories. With thoughtful setup, the Weihrauch HW90K becomes a highly adaptable and rewarding air rifle for shooters of varying experience and requirements.
Frequently Asked Questions About the Weihrauch HW90K
A unique combination of German engineering and advanced gas-ram technology sets this rifle apart from conventional spring-powered designs. Instead of a traditional metal mainspring, a sealed gas-ram unit is employed to drive the piston. As a result, lock time is noticeably faster, vibration is significantly reduced, and the characteristic spring twang is virtually eliminated. In addition, the rifle can remain cocked for extended periods without the risk of power loss or component fatigue that can affect spring systems. Consequently, many shooters find the firing cycle smoother and more predictable, which contributes to improved consistency in the field and on the range. The overall build quality, featuring deep chemical bluing, a solid beech stock, and precise machining, further reinforces its reputation as a premium adult sporter.
Compressed gas contained within a sealed cylinder is utilised to propel the piston forward when the trigger is released. During the cocking stroke, the barrel is broken and the piston is forced rearward, compressing the gas charge. Once the sear engages, the energy stored in the compressed gas is ready for release. When the shot is fired, the gas expands rapidly, driving the piston and compressing air behind the pellet in the conventional manner. Because no coiled spring is present, resonance and secondary vibrations are minimised. Furthermore, the system allows the rifle to be left in the cocked state indefinitely without damaging internal components, a practical advantage during hide-based pest control or patient hunting sessions. Power can also be monitored and adjusted via a small valve at the rear of the cylinder when a compatible hand pump and gauge are used.
Production focuses primarily on .177 and .22, with .20 and .25 offered on special order in selected markets. The .177 calibre is often preferred for its flatter trajectory and higher potential velocity, making it well suited to target shooting and smaller vermin at moderate distances. Meanwhile, the .22 option delivers greater pellet mass and retained energy, which many hunters favour for improved knockdown performance. Special-order calibres provide additional ballistic flexibility for experienced users seeking specific performance characteristics. Each chambering benefits from the same high-quality rifled barrel and consistent gas-ram delivery, so accuracy remains a strong point once a suitable pellet is matched through careful testing.
In standard UK configuration, muzzle energy is regulated to approximately 11 ft/lbs, remaining within the legal limit for unlicensed air rifles. Chronograph results typically fall between 10.3 and 11.1 ft/lbs depending on pellet weight and type, with relatively tight velocity spreads that support reliable shot-to-shot consistency. An oversized 35 mm diameter compression cylinder forms a key design feature, allowing the rifle to be adapted for higher FAC power levels where local regulations and certification permit. Export or FAC versions can therefore produce significantly increased energy for longer-range applications or larger quarry. Any adjustment that takes a UK-specification rifle above the legal threshold requires the appropriate firearms certificate, and compliance with regional laws is essential.
Unscoped weight is generally listed in the region of 8.4 to 8.8 lbs (approximately 3.8–4 kg), placing the rifle firmly in the adult-sporter category. Overall length typically measures between 37.8 and 45 inches, depending on exact configuration and whether a silencer is fitted. The carbine barrel length of around 12 to 12.25 inches contributes to more manageable handling while still providing the accuracy expected from a Weihrauch tube. Although the rifle feels substantial, the balance is generally regarded as good, and the weight helps to dampen residual movement during the firing cycle. Many users find that the solid construction becomes an advantage once a scope is mounted and the rifle is properly zeroed.
An Elite two-stage adjustable unit is standard. This trigger shares many design principles with the highly regarded Rekord unit found on other models from the same manufacturer. A distinct first-stage take-up is followed by a crisp, predictable second-stage break that supports confident shot release. Adjustment is possible for both weight and travel, allowing the mechanism to be tailored to individual preference. In addition, an automatic safety is engaged during the cocking process and can be reset if required, adding a useful layer of security during handling and storage. The combination of a refined trigger and reliable safety contributes significantly to the rifle’s overall shootability.
Under controlled conditions, sub-inch groups at 25 to 30 yards are regularly achieved once the rifle is zeroed and the shooter becomes familiar with its firing characteristics. Accuracy benefits from the fast lock time and reduced vibration inherent in the gas-ram design, which help maintain sight picture through the shot cycle. Results naturally vary with pellet choice, shooting position, and environmental factors, yet the platform has demonstrated consistent performance with popular match-grade and hunting pellets. Supported positions typically produce the tightest groups, while standing and kneeling results remain highly usable for field applications. A proper break-in period of several hundred shots is often recommended before peak consistency is reached.
Cocking force is firm, as expected from a full-power gas-ram design of this size and capability. A smooth, continuous sweeping motion is the most effective technique and helps to minimise perceived effort. After a short familiarisation period, most adult shooters find the action manageable for extended sessions. The absence of spring-related resistance variations contributes to a more consistent feel from shot to shot. Users who find the effort challenging initially often report that technique and conditioning improve comfort over time.
Yes. One of the principal advantages of the gas-ram system is that the rifle may remain cocked indefinitely without the risk of spring set or power degradation. This feature is particularly valued during pest-control or hunting situations where a rapid shot opportunity may arise after a period of waiting. The automatic safety remains engaged until deliberately released, providing an additional safeguard while the rifle is held ready.
A high-efficiency silencer is fitted as standard on the majority of carbine packages. The barrel is threaded ½” UNF, allowing further muzzle accessories to be attached where local regulations permit. The factory moderator helps to moderate report and is regarded as effective for a self-contained break-barrel design. Users seeking even greater sound reduction can explore compatible aftermarket options, always ensuring compliance with applicable laws.
Because the carbine version is typically supplied without open sights, a quality scope is essential for most applications. The 11 mm dovetail rail provides a secure mounting surface. One-piece mounts equipped with recoil stops or arrestor pins are strongly preferred to maintain zero under the firing cycle. Popular optic choices include variable-power models in the 3–9×40, 4–12×40, or 4–16×40 ranges featuring adjustable objectives and robust construction rated for airgun use. Illuminated reticles can assist in low-light conditions. Care should be taken to ensure the chosen scope does not overhang the breech in a way that interferes with cocking.
Routine care is straightforward. The exterior metalwork benefits from an occasional wipe with a lightly oiled cloth to preserve the chemical bluing. The stock can be maintained with a suitable wood oil or wax as needed. Internal lubrication of the gas-ram unit is generally not required by the end user, although professional servicing is advisable if performance changes are noticed. Barrel cleaning should be performed sparingly and only when accuracy declines, using appropriate airgun cleaning materials. Storage in a dry environment and avoidance of extreme temperatures help to prolong service life.
The solid weight, firm cocking effort, and adult-oriented dimensions make it best suited to shooters with some prior experience. However, intermediate users who are prepared to invest time in technique development often progress quickly and appreciate the refined trigger and consistent power delivery. Experienced hunters and target shooters value the gas-ram characteristics, build quality, and long-term reliability. Inclusive of a wide range of adult shooters, the platform rewards careful marksmanship and proper setup.
A limited manufacturer’s warranty is typically provided, with duration and terms varying by region and authorised distributor. In the UK, official imports carry the appropriate distributor stamp and support network. Registration and adherence to recommended maintenance practices help ensure coverage remains valid. Local dealers are the best source of current warranty details and after-sales assistance.
The principal differences lie in the powerplant. Spring systems can exhibit more vibration, spring noise, and the need to avoid prolonged cocking. The gas-ram alternative offers faster lock time, reduced resonance, and the ability to remain cocked safely. Recoil characteristics are generally described as sharper yet shorter, which some shooters find easier to manage once technique is refined. Build quality and trigger refinement remain consistent with the manufacturer’s broader reputation, while the unique internal design provides a distinct shooting experience.
Authorised dealers and specialist airgun retailers are the recommended source for current specifications, availability, and hands-on evaluation. Many stockists offer the opportunity to handle the rifle and discuss calibre, power, and accessory options in person. Online resources from the manufacturer and independent reviews provide additional technical detail, yet direct experience remains the most reliable way to assess suitability for individual requirements.
These answers address the most common queries raised by prospective owners. Careful consideration of calibre choice, optic selection, and intended use ensures that the full potential of this refined gas-ram carbine is realised in practice.
| Caliber | .177, .22 |
|---|
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Calibers: Most common are .177 (4.5mm) for speed/flat trajectory and general use, and .22 (5.5mm) for better hunting knockdown power. Larger “big bore” (.25, .30, .357+) exist for hunting bigger game where legal.
Yes, many modern PCP and springers deliver enough energy for small game (rabbits, squirrels, birds) and even larger game in some areas. Muzzle energy (in ft-lbs or joules) matters more than velocity alone. Always match caliber, pellet weight, and energy to the game and check local hunting regs.
Treat every airgun as if it is loaded.
Follow these rules strictly—airguns cause real injuries.
Laws differ dramatically by country, state/province, and even city. Always verify current local laws before buying, owning, transporting, or using an airgun. Age restrictions (often 18+) are common.
Examples (summaries only; check official sources):
Resources: Wikipedia “Air gun laws”, airgun forums, or official government sites. For travel, research transit laws carefully.
Consider:
Buy from reputable dealers and consider warranties.
Follow your model’s manual. Basic care extends life significantly.
Pellets are the most common projectile (lead or lead-free). Match them to your gun, caliber, and purpose—test several brands as accuracy varies by barrel.
Tips: Heavier pellets in .22/.25 for hunting (better momentum). Lighter in .177 for speed/flat trajectory. Always check head size fit (e.g., 4.51-4.53mm variants).
Muzzle energy (ft-lbs or joules) matters more than velocity. Ethical shots require precise placement (head/heart-lung) within effective range.
Rough Guidelines (adjust for distance, pellet, and local laws):
PCPs dominate serious hunting due to power and shot count. Springers/gas rams work well for small game but require skill. Always prioritize clean kills and check seasons/species rules.
Common Issues:
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Budget Tip: Start with a quality springer (~$150-400) before investing in PCP setup.
Airgunning offers endless depth—from backyard plinking to precision competition and ethical hunting. Prioritize safety, legality, and practice. If you want specifics (e.g., recommendations for a country, budget, hunting small game, or a particular type like PCP vs springer), let me know for more targeted info! Shoot responsibly.
Tuning improves accuracy, reduces noise/recoil, or increases power (within legal limits).
Caution: Check laws—power increases may reclassify your gun. DIY only if experienced; professional tuners recommended.
You must be at least 18 years old to purchase any airgun or related accessories from our store. By placing an order, you confirm that you meet the legal age requirements in your state or country.
Yes. Orders may require age verification before processing and shipping. In some cases, we may request a valid government-issued ID to confirm eligibility.
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