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ZRODelta Cowl Induction Muzzle Brake
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Alaskan6.5's Review of ZRODelta Cowl Induction Muzzle Brake

Savage 10BA’s in 6.5 Creedmoor come threaded with a cap. However, this Brake will not screw tight even with all the shims supplied with it. This is because savage does not completely thread the entire milled area ( there is a tool relief ridge that must be removed with a lathe. I verified on other rifles and with ZRO Delta. Cut the ridge area out a couple thousands deeper that the threads and the brake will bottom out as needed. I used lathe to trim 2 thousands off the brake for perfect fit timing. Now no need for shims ( don’t use a crush washer, they won’t crush perfectly square and will effect accuracy). For greatest performance I used a level on scope base and on brake for perfect timing/alignment. Machine Shops may be used, or a gunsmith. Pls use a brake /canister alignment rod for your caliber to bullet won’t hit Brake. If you hand cut threads with a die, buy a $4 die pilot alignment tool made for your caliber to ensure you start cutting level and square on crown.
Pros:
  • great quality
Cons:
  • Fitting required on Savage
Would Recommend: Yes
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