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 →
An innovative multi-caliber suppressor with patented and proven Flow-Through and Torque Lock technology. It is designed to reduce signature without negatively impacting cycling or service life. The FLOW 556k is DMLS printed in 17-4 Stainless. It delivers superior toxic fume exposure mitigation flash reduction sound reduction recoil reduction accuracy and repeatability by its unique Flow-Through helical coil and core deflector design. It is full-auto rated and compatible on 5.56 17 HMR and 5.7 platforms. The integrated GeoFlash Cap geometry effectively mitigates flash as part of its overall signature reduction funtionality. Compatible with Muzzle Brake-QD 556 and Flash Hider-QD 556.
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.
