The Z-RAM shotshells use an outer .68-format shell for the Umarex T4E HDS68/TS68, while the inner payload format differs: .43, .50 or 6 mm. The .43 and .50 offers list capacity for up to three matching rubber balls per shell; the 6 mm version lists a 4×3 arrangement. They are three alternative reusable shell designs, not three sizes of direct .68 ammunition.
Two different caliber descriptions on one product
HDS68 and TS68 name the same .68 double-barrel platform. In these product names, .68 describes the shell’s marker interface; the second size describes what the specific shell is designed to carry. It does not change the marker into an unrestricted platform for every projectile with that smaller diameter.
This distinction helps when comparing product photographs. Similar gold-colored outer bodies do not establish that the internal openings or supported payload format are the same. Select the exact named shell, rather than treating all three offers as one product with interchangeable loose components.
What the aluminum construction contributes
All three offers describe CNC-machined, gold-anodized aluminum rather than a 3D-printed shell. They are sold as reusable products, with the separate .43 and .50 sets listing four sealing O-rings and a matching rubber-ball sample. The 6 mm pair instead lists a sample pack of BBs and describes rubber retention for that format.
The practical purchase benefit is knowing which consumable format and seals accompany the pair. A sample pack is already included; it need not be sold to the reader again as a missing prerequisite. No sample quantity is specified in the current descriptions, so it should not be treated as a full ammunition supply of an invented size.
Keep the small performance claim in proportion
The .43 and .50 listings advertise up to approximately +2 J in their caliber-adapter context. That is a claimed increase, not a total-output rating for the whole marker. The available descriptions do not provide a controlled comparison with projectile mass, velocity and complete test conditions, so they do not establish that every supported loading reproduces that figure.
The useful choice remains the documented shell format. The 6 mm version should not be ranked against the others by an invented total energy or presumed advantage from its higher listed count. These products are not interchangeable with normal direct .68 balls or the separate arrow and shaped-projectile offerings.
Choose the shell format, not a larger shopping list
Each offer supplies two shotshells. Buying all three formats is optional; choose according to the specific supported ammunition format and intended lawful use. The HDS68/TS68 maintenance guide addresses the marker’s separate service components, which should not be confused with shell seals or included sample ammunition.
Follow the exact product’s current instructions and the platform’s safety requirements. The product descriptions warn against use on people or animals.
Products for this decision
2x Shotshell.43 cal 68 to Cal.43 for HDS68 TS68 ALU gold anodized
Two .43-format shells with four sealing O-rings and a sample of matching rubber balls. Alternative to the other formats.
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2x Shotshell.50 cal 68 to Cal.50 or HDS68 TS68 ALU gold anodized
Two .50-format shells with four sealing O-rings and sample rubber balls. Not an additional required part of the .43 set.
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2x Shotshell Cal. 68 to 4x3 6mm, for Umarex HDS68 TS68 ALU gold anodized
Two 6 mm-format shells with a BB sample pack. Separate design with the listed 4×3 capacity.
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Important Legal Notice
Laws and regulations governing the purchase, possession, installation, modification, and use of the products described on this page vary by country, state, and local jurisdiction and may change. Before purchasing, installing, modifying, or using any product, you are responsible for confirming that it is permitted in your location and for your intended purpose. Product availability or delivery does not mean that purchase, possession, installation, modification, or use is lawful in your jurisdiction. Z-RAM does not provide legal advice, and the information on this page must not be treated as legal advice. If you are unsure, contact the competent local authority or a qualified legal professional.