Z-RAM describes its steel tuning barrel for the NxWerks Pistelle X-68 as providing a noticeable performance increase, but does not publish an isolated Joule result for this barrel alone. Its concrete specifications are coated stainless steel, a .684 bore of approximately 17.38 mm, and a 22x1.5 attachment thread. The set includes a thread cover and a 10 cm extension; the full-length barrel cover is a separate product.
What the performance statement actually covers
The barrel is offered as a performance component rather than simply a cosmetic shroud. In Z-RAM’s barrel presentation, the steel and aluminum versions are discussed alongside a broader configuration claim of up to 200 J with additional tuning parts. That figure belongs to the wider setup described in the film, not to this barrel by itself. There is no barrel-only test in the available material from which to give a precise gain.
The buyer can still make a useful distinction without a new number: this is the actual projectile-guiding barrel, whereas the separate cover encloses part of its exterior. A cover should not inherit a performance claim made about the barrel underneath it. The listed stainless-steel construction and defined bore/thread dimensions are firmer product characteristics than an assumed output figure.
Steel set and separate cover have different jobs
The supplied thread cover protects the threaded end when the appropriate attachment is not in use. It is not the same item as the longer PLA barrel cover shown below. The full cover is intended for the longer Z-RAM tuning barrel, hiding and protecting the part that would otherwise protrude. The normal-length factory barrel does not need this cover.
The steel set already includes its 10 cm extension. Do not order the same extension again on the assumption that the listing is for a bare barrel only. The optional full cover is separately supplied with its mounting screws. For that specific accessory decision, see the Pistelle tuning-barrel cover guide.
Keep the IntruBuster generation specific
The current barrel listing also confirms IB68 IntruBuster Gen1. That does not turn the Pistelle X-68 and IntruBuster Gen2 into interchangeable barrel platforms. Their barrels and magazines differ, even though certain chambers and matching threaded attachments have separately confirmed shared compatibility.
The same discipline applies to material: this listing is coated stainless steel. An aluminum version elsewhere in the catalog is a different offer, not a selectable material automatically included here. For the broader material comparison, the factory versus Z-RAM barrel guide keeps those products separate.
Two related views of the Pistelle platform
The first film below concerns the barrel family. The second introduces the ASA chamber, which helps distinguish a gas-volume component from the barrel. It is companion product context, not a test of this steel barrel and not evidence that the chamber’s figures belong to the barrel set.
Products for this decision

TUNING BARREL Pistelle X-68 STEEL & IB68 intrubuster Gen1 Tuning barrel THREAD 22X1.5 DIAMETER .684 Complete set
Coated stainless-steel barrel set, thread cover and 10 cm extension. The extension is already included.
View product details
Barrel cover compatible with Pistelle X-68 & IB68 intrubuster Gen1 adapted to our tuning barrel
Optional PLA cover for the longer Z-RAM tuning barrel. Not for the standard-length barrel and not a replacement barrel.
View product detailsZ-RAM’s Pistelle barrel presentation
The own-product film discusses the .684 barrel family in steel and aluminum. Its wider setup figure is not a measurement of this barrel alone.
▶ Play on YouTube#Pistellex-68 #X-68 #x68 #airgun #airsoft #co2gun #tiberius #umarexairguns #homedefense #lesslethal
Channel: Z-RAM
Related Pistelle component: the ASA chamber
This own-product presentation explains a different component: the ASA chamber and its volume role. Its output claims do not transfer to the barrel.
▶ Play on YouTube#Pistellex-68 #X-68 #x68 #airgun #airsoft #co2gun #tiberius #umarexairguns #homedefense #lesslethal
Channel: Z-RAM
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.
