NFA item — $0 federal tax stamp. Order, we file the ATF Form 4 on eForms, you pick up at your SOT dealer after approval. Flat $14.99 firearm shipping.
Licensed FFL · Class 2 SOTWe file the Form 4$0 tax stamp
How the Form 4 process works
Transfers on an ATF Form 4 with a $0 federal tax stamp (as of Jan 1, 2026). We file the paperwork on eForms and keep you posted on status; you pick up at your SOT dealer with photo ID after ATF approval. How the Form 4 works →NFA & suppressor guide →
The Ventra DBS-30i is a compact full-auto rated suppressor built for .300-class rifles. It combines a shorter overall length with engineered venting to reduce blowback and preserve shooter comfort. Manufactured using Inconel 718 this military-grade alloy resists heat and deformation under sustained fire. The DBS-30i is designed to perform in extreme environments while keeping your rifle balanced and controllable. Specifications: Caliber Rating: .300 RUM Length with Direct Thread Mount: 6.505 in OAL (w/o Mount): 6.130 in Added Length to Firearm: 5.882 in Diameter: 1.64 in Weight (Body): 16.0 oz Direct-Thread Adaptor Weight: 2.0 oz Material: Inconel 718 Core 17-4 SS Housing Finish Options: FDE+ Adapter Mount: Direct Thread HUB Adaptor Muzzle Thread Pitch: 5/8-24 Hub Compatible: Yes Full-Auto Rated: Yes Minimum Barrel Length: None
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.