Otter Creek Hydrogen L
Capitol Armory is licensed in all suppressor-friendly states. Form 4 or 4473? Read 4473 vs. Form 4 Suppressors. Your choice during checkout. See how suppressors direct to your door works or choose to send to your local dealer.
Under ATF's October 9 policy, you can buy a suppressor on a 4473 in some states. We still recommend a Form 4: it stays compliant if the policy changes, and ATF approvals come back in days.
-
Otter Creek Polonium K
$539.00 -
Otter Creek Hydrogen S
MSRP $925.00 $850.00 -
Otter Creek Polonium
$549.00
OTTER CREEK LABS HYDROGEN L SUPPRESSOR - LONG-RANGE PRECISION RIFLE SILENCER, 6.5MM AND 7.62
The Otter Creek Labs Hydrogen L is a long, ultra-quiet, lightweight titanium suppressor built for hunters, PRS shooters, and anyone chasing maximum decibel reduction on a long-range rifle. The Hydrogen L prioritizes sound suppression above all else and is best suited to firearms where overall length isn't a concern. Available in 6.5mm and 7.62 versions, the 7.62 model is rated up to 300 RUM and 300 Norma on a 24" barrel. The suppressor ships with a 5/8x24 direct thread mount, and the HUB/Bravo/Omega 1.375x24 mounting pattern opens it up to virtually every popular quick-detach system on the market, including ASR, Xeno, and Plan-B. If maximum suppression is the priority and length is not a limiting factor, the Hydrogen L is the silencer for you.
CAPITOL ARMORY'S OPINION
Length and sound suppression are directly related, and the Hydrogen L leans all the way into that tradeoff. If your host rifle can accommodate the added length, the payoff is some of the best decibel reduction available in a titanium can this light. This is not a suppressor built for a duty carbine or a truck gun, it's built for a rifle that lives on a bench or in a blind.
If the Hydrogen L is more suppressor than your setup needs, Otter Creek Labs also makes the Hydrogen S for a smaller footprint, and the Hydrogen K if you need something genuinely compact. All three share the same HUB mounting interface, so you're not locked into one length once you've bought into the ecosystem. For a dedicated long-range hunting or PRS rig where every decibel matters, the Hydrogen L is hard to beat.
FEATURES
- 7.62 NATO and 6.5mm versions available
- Rated up to 300 RUM, 300 Norma (7.62 version with 24" barrel)
- Titanium baffles and tube
- HUB/Bravo/Omega (1.375x24) mounting pattern
- Removable 5/8x24 direct thread adapter
- Ideal for hunting rifles, precision rifle competition, and long-range applications
WHAT'S INCLUDED
- Otter Creek Labs Hydrogen L suppressor
- 5/8x24 direct thread mount adapter
- Protective tube clamp
- OCL stickers
COMPATIBILITY
- Direct Thread Mounts: Dead Air, SilencerCo, Energetic Armament, YHM
- Quick-Detach Systems: SilencerCo ASR, Dead Air KeyMo, Xeno, Plan-B, Griffin Dual-Lok, YHM Kurz QD
BARREL RESTRICTIONS
- 24" minimum: 300 Norma, 300 RUM (7.62 version)
- 22" minimum: 300 PRC (7.62 version)
- 20" minimum: 300 Win Mag (7.62 version)
- 18" minimum: 6.5 PRC, 6.5 WSM
- 14.5" minimum: .308 Win, 6.5 Creedmoor, .260 Rem, .243 Win
- 11.5" minimum: 5.56 NATO, 6.5 Grendel, 6mm ARC, 7.62x39
- 7" minimum: 300 Blackout supersonic
- 5" minimum: 300 Blackout subsonic
AVAILABLE MODELS
- 6.5mm
- 7.62
| Weight | 12.4oz |
|---|---|
| Manufacturer | Otter Creek Labs |
| Caliber | 7.62mm |
| Length | 9 |
| Diameter | 1.625" |
| Decibel Reduction / Output | Not Provided |
| Full Auto Rated | Yes |
| Mount | HUB/Bravo - 1.375x24 |
| Thread Pitch | Multiple Thread Pitchs Available |
| Color | Black |
| Finish | Cerakote |
| Materials | Titanium |
| Can Be Disassembled | No |
| Warranty | Lifetime |