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Swapping end caps is one of the cheapest performance upgrades you can make to a modular suppressor, and this is the one Obsidian 45 owners grab first. The Rugged 9mm Front Cap (FC002) necks the exit aperture down to 9mm, which means less gas escaping around the bullet and a noticeably quieter, deeper tone when you are running a 9mm host. If you bought an Obsidian 45 for the versatility but shoot mostly 9mm, this cap gets you meaningfully closer to dedicated 9mm can performance without giving up the ability to swap back for .45 duty.
The concept is simple physics. A smaller bore opening seals more gas inside the baffle stack, and depending on your host and ammo, that typically translates to a few extra decibels of suppression compared to the standard .45 cap. Beyond the meter numbers, most people notice the tone change right away. The report sounds rounder and less sharp at the ear, which matters a lot when you are shooting indoors or spending a full afternoon at the range. Just remember to spin the .45 cap back on before you go back to bigger bores.
This is the same front cap that ships standard on the Obsidian 9, so it also works as a direct factory replacement if yours ever gets dinged up or walks off. Thread engagement is exactly what you would expect from Rugged, snug and true, and installation takes seconds with no special tooling. The matte black finish blends right in with the Obsidian tube, and like the rest of the Rugged lineup, it is made in the USA and backed by a company known for standing behind its products.
Compatibility covers the Obsidian 9 and Obsidian 45. If you own either can and shoot 9mm through it, this little cap is an easy call.
Yes, that is exactly what most people buy it for. It threads onto both the Obsidian 9 and Obsidian 45, and on the 45 it acts as a performance upgrade by shrinking the exit aperture for 9mm hosts. It comes standard on the Obsidian 9, so for that can it serves as a factory replacement part.
Results vary with host, barrel length, and ammo, but expect a few extra decibels of reduction compared to running the standard .45 cap with 9mm. Most owners notice the tone improvement just as much as the meter numbers, with a deeper, less sharp report at the ear.
Yes, absolutely. The bore opening on this cap is sized for 9mm projectiles, so you must swap back to the .45 cap before shooting anything larger than 9mm. Firing a .45 round through a 9mm cap will cause a strike and damage your suppressor.
No special tooling is required for a basic swap. The cap threads on and off by hand or with the same method you use for routine Obsidian disassembly and cleaning. Just make sure it is snugged down properly and check it periodically during long range sessions, as end caps can loosen with heat and vibration.
| UPC | 859383006105 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FC002 |
| Caliber/Gauge | 9mm |
| Length | 1.5 |
| Model | |
| Package Height | 3.0 |
| Package Width | 2.0 |
| Product Type | Front Cap |
| Shipping Weight | 0.05 |
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