Snowpeak M25/M25W/... picatinny rail PCP

This is an excellent mod that greatly increases the rigidity of the barrel. The barrel can bend during transport or lose precision over time, and this solves that. It also includes a Picatinny rail so you can attach a tripod, flashlight, laser, etc. It is available in several sizes—choose the one that suits you best. In the photos I’m using the XL version, but shorter ones may look more aesthetic to you.

You will need 2 M4 nuts (in my case, self-locking) and 2 M4 screws, 25 mm long.

It fits perfectly and spaces the barrel exactly the same as the original part located further back. You can measure with a digital caliper and see that the separation between both tubes does not change even by a tenth of a millimeter between the muzzle and the original spacer, which guarantees perfect parallel alignment. The part should not be a tight fit—do not force it.

Note that it may also fit other Snowpeak or similar products. You can try it with the smaller model or even with a cut-down version of it. I would like to know whether it has fitted other models different from the M25 so I can add that information to the description. I look forward to your comments.

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Models like this, which are so specific and niche, require time for measurement, design, and testing to ensure a perfect fit with less than 0.1 mm of error and that they meet all the tolerances and strength they deserve. They are not as popular as other, more generic models aimed at the general public. I would appreciate a boost if you feel it has worked perfectly for you. <3