Spearhead Junction Tuner Muzzle Brake Combo 5 Port


Canadian dollars (CAD)


Fits barrel diameter up to 1.070″ one and a half inches behind muzzle shoulder.

Tuner brake combo, 2 great products in 1.


Heavier tuner – With most match barrels being larger/heavier contour. Our tuner will be able to tune even the heaviest contour barrels with ease. Heavier tuners will find the optimal node within a revolution or 2. No more wondering if the tuner will work or not.


Excellent balance for your PRS/NRL or positional shooting rifle – With the importance and trend of adding weights to rifles for balance. Our tuner puts the weight right where it matters, at the muzzle. Heavier tuner can add optimal balance to a thinner or shorter profile barrel.


Designed with emphasis to stay on target, hybrid top and side port design prevents muzzle rise and assists target preservation.


Features a proprietary linked port, effectively creating a double expansion chamber to distribute gasses laterally more efficiently and effectively. 


Maximum recoil reduction to bring out your full shooting potential. All day shooting comfort on the range. 


Installs easily and can be self timed, a tensioning key is included to ensure solid lockup.


Discreet leveling flat on the bottom, for those who desire to precision level their muzzle brake.


Precision machined for exceptional fit and finish with a sleek gap free design. 


Your satisfaction is our utmost priority, therefore we offer an unconditional 30 day money back guarantee. For any reason you are not satisfied, please contact us and we will arrange a full refund, no questions asked.


Give yourself the competitive advantage you demand, get your Spearhead Junction tuner muzzle brake combo today.



Diameter: 1.1″ Brake body, 1.125″ Locking collar, tuner body diameter 1.6″

Fits barrel diameter up to 1.070″ one and a half inches behind the muzzle shoulder

Length: 3.650″ forward of the muzzle shoulder, 1.540″ behind muzzle shoulder.

Weight: 418g / 14.745 oz.

Material: 17-4 PH stainless steel for exceptional corrosion resistance and strength.


Muzzle Brake installation instructions can be found HERE.

Barrel Tuner installation instructions can be found HERE.

**Apply Synthetic grease or anti-seize to inside and outside threads on Stainless models. Oil on black nitride models periodically and after cleaning.**

Weight .540 kg
Dimensions 25 × 18 × 8 cm

Spearhead Machine


Spearhead Machine


.223/6mm, 6.5mm, .30/7mm, .338


Stainless, Black Nitride


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