AEA HP Max MK2 — Semi-Auto PCP Air Rifle

AEA HP Max MK2 Review — The Semi-Auto Powerhouse

The AEA HP Max MK2 is a compact but powerful PCP air rifle featuring a semi-automatic shot cycle and a regulated PCP system for consistent and controlled shot power . The MK2 integrates both the semi-automatic mechanism and the regulator, while retaining the modular design of the original HP Max . Available in .30 (7.62mm) and .357 (9mm) calibre, the HP Max MK2 is ideal for hunters and shooters who want rapid follow-up shots and serious stopping power . The rotary 8-shot magazine and 11mm dovetail mounting rail make this a versatile hunting platform .

AEA HP Max MK2 UK — Technical Specifications

The HP Max MK2 features an 8-shot magazine and a maximum fill pressure of 300 bar . The regulated semi-automatic system delivers energy from 60-130 Joules depending on configuration . For maximum power up to 230 Joules, you can use the unregulated cartridge and convert the rifle to repeater operation . The ergonomic rubber pistol grip and length-adjustable stock provide comfortable handling . The rifle weighs approximately 3kg and features a 1/2 inch UNF thread for silencer attachment . The modular cartridge system allows cartridge changes without pressure loss .

AEA HP Max MK2 Semi-Auto Operation

The semi-automatic system requires a minimum energy setting of approximately 30 Joules to cycle reliably . Below this energy level, you must manually load each shot . For the highest power levels, you must remove the regulator, remove the semi-auto kit, and convert the system to repeater operation . In repeater configuration, the function is identical to the original AEA HP Max . The rifle comes with an export kit, allowing conversion to full power where legally permitted . The regulator is the same as the HP Max 1, without a pressure scale .

AEA HP Max MK2 Problems — Honest Owner Feedback

The HP Max MK2 has received constructive owner feedback on specialist forums . The magazine is the most frequently discussed issue . Original AEA magazines can cause feeding problems in semi-auto mode, particularly at pressures above 180 bar . The magazine indexing screw is also glued with threadlocker, making adjustment difficult . Some owners report success with the newest generation of aluminium magazines, while others apply tape or felt to increase friction and prevent magazines from slipping . One owner described the HP Max and Max MK2 magazine as having a “construction defect” . The regulator adjustment requires careful work, and owners recommend using a regulator tester for accurate tuning . The valve pin can also remain open, causing a hissing sound from the barrel .

On the positive side, owners praise the rifle’s power, the modular cartridge system, and the ability to change cartridges under pressure . The rifle is described as “state of the art” with semi-auto and regulated pressure . Owners recommend setting the regulator to 140-180 bar for optimal semi-auto performance .

AEA HP Max MK2 Accuracy — What Owners Achieve

The HP Max MK2 produces excellent accuracy with the right ammunition choice . The semi-auto system provides consistent shot-to-shot performance when properly tuned . Owners report good results with both diabolo pellets and slugs . The rifle’s modular design and adjustable regulator allow fine-tuning for different ammunition types . The 8-shot magazine and semi-auto action make this ideal for pest control and hunting scenarios where quick follow-up shots are essential .

AEA HP Max MK2 For Sale UK — In Stock at Fieldcraft Airguns

Fieldcraft Airguns has the AEA HP Max MK2 in stock now in .30 and .357 calibre. The rifle includes two 8-shot magazines, a filling adapter, and an export kit . The magazine issue has been addressed by AEA on newer production models . Every AEA HP Max MK2 comes with our exclusive 12 month warranty. We recommend adding a high-pressure air tank capable of 300 bar fills to your order . Also add a tin of quality pellets or slugs in your chosen calibre. For owners who want to use the semi-auto function, ensure you set the regulator to at least 140 bar for reliable cycling . If you plan to convert to full power, contact us for advice on legal compliance in the UK .