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Review By Rickey Long, 0 1 2 3 4
Rickey Long
As a hobbyist gunsmith, I wanted to try my hand at barrel threading. I had a Moisin Nagant that I w ...
May 7, 2019
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Review By TLC, 0 1 2 3 4
Deltac laser cut extended slide lock is the best part to replace the factory Glock slide lock in Gen ...
Feb 24, 2018
Review By Richard, 0 1 2 3 4
Ordered items were exactly as expected - very fast processing and shipping.
Apr 9, 2017

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DELTAC "MAGNUM" muzzle brake for Mosin Nagant - Complete threading kit


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We believe that threading the barrel of the Mosin Nagant is the most effective method to install a muzzle break on your Mosin Nagant because their barrel are not always concentric. See the picture above. There are many breaks on the market that just mount with a bracket secured behind the front sight that end up being shot off with an exiting bullet and are potentially dangerous. Threading your barrel with the use of the enclosed threading tool insure your thread are true and are permanent but ensure reliability and accuracy. We also suggest this to be done by a gunsmith.
Designed for tactical applications that require minimal dust signature. A massive symmetrical blast baffle, redirect gas to the sides and upward delivering unparalleled recoil reduction while also minimizing muzzle rise and ground disturbance. High tolerance threads machined in same operation as bore aperture ensures perfect concentricity. Computer FEA optimized for maximum strength to weight ratio and impact survivability. Precision CNC machined from high strength steel bar for superior heat and corrosion resistance. 
Type: Muzzle Brake 
Length: 3.189 inches
width : 1.25 inches
Exit hole .340 inches
Thread:  M15x1 RH threads.
Machined from top quality steel and finished in black oxide.
Theading die
  • M15X1RH  threading Die
  • 38mm or 1.5" Outside diameter
  • Material: Carbon Steel
  • Adjustable
  • Meets American National Standards Institute or ANSI  standard
  • Recommended barrel OD sizes for threading is 0.5824 min and  0.5896 max
 Thread alignment tool:
Made in USA, this is a simple TAT (thread alignment tool) for re-threading 7.62 caliber muzzles to accept the above M15 X 1 RH muzzle device. The extended 3" long stem helps with Mosin-Nagant barrels which have been counter-bored to renew the muzzle crown.. It helps you get the die started level and on-center to prevent costly mistakes. 
Material: 303 Stainless Steel
#5 Die Handle
This a heavy duty #5 die handle is approx. 11.5in long and accepts 1.5in dia (38mm) dies like the M15X1 RH die that we offer on this site. These are high quality handles made of high tensile steel.
* The Russian arsenal sometimes counter-bore the barrels to prolong their life by cutting out the bad/worn rifling at the muzzle end. If done properly a counter-bore has the potential to improve accuracy.  The length of the counter-bore depended on how worn the muzzle end was. You should measure the depth of the counter-bore to make sure that this tool is long enough to reach the caliber bore of the rifle.
PKG Content:
  • 1 Threaded "Magnum"muzzle break
  • 1 M15X1 RH adjustable round Die
  • 1 Thread alignment tool with a 3" long stem
  • #5 die handle
  • 1 Jam nut
watch the youtube video

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Reviews Reviews (2)

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Nioght and Day

0 of 0 people found the following review helpful
Total Rating:0 1 2 3 4

Everything you need to tame that kick. Works aweome.

0 1 2 3 4

Great product

1 of 1 people found the following review helpful
Total Rating:0 1 2 3 4

Good quality and easy to use. Take your time and you will have good results! I am a Euro auto tech, so I have tool and machine experience, but, anyone with basic mechanical skills can do this. Just be very careful cutting the barrel. And, if you have ANY doubts as to your ability, go to a gunsmith!

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