The Otter Creek Labs Infinity is a direct-thread 5.56 suppressor engineered around the kind of full-auto duty cycle most silencers can't survive. Machined from Inconel 718 with a stellite blast baffle, the Infinity is rated for unlimited full-auto fire on 10.3" and longer barrels — the same envelope as USSOCOM's SURG program cans.
Sound suppression runs 136–138 dB at the shooter's ear on a 14.5" M4, placing it in the top tier of 5.56 suppressors. Back-pressure is tuned aggressively low, which keeps gas out of the shooter's face and reduces bolt carrier speed when running unsuppressed-tuned guns. The direct-thread mount eliminates the point-of-impact shift and wear issues seen with quick-detach systems.
The all-black Cerakote finish is MIL-SPEC C-Series, and the internal construction is fully welded — there is nothing to come loose or rattle. Weight comes in at 18.5 oz with a 1.5" OD and 7.0" length, threaded 1/2x28. NFA Form 4 transfer required.
For shooters building a serious Mk18, CAG, or URG-I clone and demanding a duty-grade can, the Infinity delivers — with no asterisks on barrel length or rate of fire. Order yours today.
THIS IS A SERIALIZED ITEM. It must ship to a Federal Firearms License holder. No civilian exceptions.
Buying and shipping through Charlie’s is easy, but there is some information you need to know. Only a federally licensed firearms dealer may receive a firearm or federally regulated serialized item (like a receiver or suppressor). We cannot ship these items directly to you. Please follow these steps to process your transaction:
1) Check your state laws to make sure the federally regulated item you want to purchase is legal in your state. Your FFL dealer should be able to give you all of the necessary information regarding your state specific laws. But, if we ship to your FFL, and there is a legal issue, we cannot accept a return. So please make sure that you know and follow your local and state laws.
2) A quick google search will show you what Federal Firearms Licensed (FFL) dealers are in your area. When you are ready to purchase, contact the FFL dealer you would like to use and get their shipping address. During the check-out, put YOUR address in the “billing” section and the FFL DEALER’S address in the “shipping” section. If you don’t know your FFLs address, that’s okay. You can send the information later.
3) After check out, make sure to contact your FFL dealer to ensure they will receive your shipment for you (most do this for a small fee, but you should always double check).
4) Have your dealer send us a copy of their FFL to FFL@CharliesCustomClones.com. Charlie’s does not reach to your FFL (MAKE THEM EARN THEIR FEE!!!)
5) Be patient! In order to ensure we remain compliant with all federal laws, our compliance department is kept separate from our sales and operations team. Please allow a few days for our compliance officer to verify all of your dealer’s documents and ensure all federal laws are being observed. You should hear from our compliance department within 3-4 business days. If not, feel free to reach out for a status update.
That’s it! We try to make this process as simple as possible for our customers, but if you are unfamiliar the process or have any other questions, please visit our How to Buy a Suppressor page for more details.
Otter Creek Labs
Otter Creek Labs
Otter Creek Labs
