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 military-chosen Mk13-SD is an ultra-lightweight fast-attach high performance sound and flash suppressor engineered for bolt action rifles chambered in 300 Winchester Magnum and 7.62 x 51 mm. Grade 5 Titanium monolithic baffle core and Grade 9 Titanium tube give the Mk13-SD an improbable weight of 15 ounces and the durability to withstand the 300 Win Mag muzzle pressures and temperatures Small size and light weight it delivers greater sound reduction and accuracy than any similarly-sized competing model
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.
