SAFETY RULES:


  1. Make sure your firearm is not loaded.
  2. Always have the muzzle pointed in a safe direction. 
  3. Do not place your finger on the trigger or on the trigger guard.
  4. Prove your firearm is safe.  Remove the bolt and/ or magazine.
  5. Always be aware of your target and surrounding area. 


WARNING:


  • GRIZZLY GUNWORKS assumes no responsibility for any injury or property damage resulting from improper or careless handling, intentional or accidental discharge of the firearm.
  • GRIZZLY GUNWORKS assumes no responsibility for any damage or injury whatsoever occurring in connection with, or as the result of faulty, non-standard, remanufactured, hand-loaded ammunition or cartridges other than those for which the firearm was originally chambered.
  • Make sure that the ammunition being used matches the caliber that is marked on the side of the barrel and/ or action, as well as, the caliber that is stamped on the bottom of your muzzle brake. 


How to install a Grizzly Gunworks Clamp On Muzzle Brake?


  1. Follow the SAFETY RULES at all times.
  2. Make sure the firearm is unloaded.
  3. Remove the bolt and magazine from the firearm.
  4. Align the muzzle brake with the barrel, and slide it on until it is flush with the starting of the first muzzle brake
  5. chamber (approx. 1.1 inches).
  6. When the muzzle brake stops turning, back it off counter clock wise to level or time the muzzle brake.
  7. Position the caliber stamping and GGW at the bottom. The bolt heads should be facing upwards.
  8. Apply Blue Loctite or removable thread locker to all 4 bolts.
  9. Tighten the 4 bolts gradually in a criss cross fashion to 80 inch pounds.  ** Note: Tighten the bolts gradually, back and forth, and work your way up to 80 inch pounds.  Please DO NOT tighten one bolt to 80 and then the other to 80, you have to alternate the bolt adjustment while tightening. ** 


Before test firing do the following:


  1. Follow the SAFETY RULES at all times.
  2. Make sure the firearm is unloaded.
  3. Since your bolt is removed, look through the barrel to make sure it is free from obstruction.
  4. Make sure the muzzle brake bolts are tightened to 80 inch pounds.
  5. Make sure the ammunition you are using, the caliber stamped on your firearm and the stamping on the bottom of your muzzle brake are all matching.
  6. Always wear ear and eye protection during firing.


How to remove a Grizzly Gunworks Clamp On Muzzle Brake from your firearm?


  1. Follow the SAFETY RULES at all times. 
  2. Make sure the firearm is unloaded.
  3. Remove the bolt and magazine from the firearm.
  4. Loosen the 4 fastening bolts.
  5. Slide the muzzle brake off until removed.  

CLAMP ON INSTALL GUIDE

This guide is for Clamp On Muzzle Brakes that have NO internal threading for your NON-Threaded muzzle;  the inside of your muzzle brake will have a smooth finish.  Another characteristic of Clamp On Muzzle Brakes is the four bolts, if your muzzle brake has 2 bolts - or - none that means it is a thread on muzzle brake and you should not use this guide.    
Please read the following before attempting to install or use your Clamp On Muzzle Brake.


Below are examples of Clamp On Muzzle Brakes.  Please note Grizzly Gunworks makes Clamp On Muzzle Brakes for many muzzle brake designs; however, all clamp on muzzle brake styles install the same.



Jeff@GrizzlyGunworks.com

Tel. (226) 208-1200