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PapaZorro

Russian Muzzle Attachments for Saiga-12

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Common Russian Muzzle Attachments for Saiga-12/Vepr-12 Review

 

Copied from here for Saiga-12 users wink.png

 

Short review of different muzzle attachments, that are used with Vepr-12/Saiga-12 and some other shotguns by Russian shooters.

 

The muzzle attachments in the review: Flash hiders (FH), Muzzle Brakes (MB), Compensators (C), Muzzle Brake-compensators (MBC), chokes & paradox (Chokes).

 

Efimov design MBC

 

The most common MBC in Russia are models based on the same idea, now well known as "Polygon Muzzle Brake-compensator", that was suggested by Russian IPSC shooter Efimov Eugeny. His device has two cambers: first one works as Muzzle Brake, second one as Compensator. Molot Chief Constructor Mr. Sergey Urzhumtsev told me that first dosen of them was made by Molot and one still used during test-shootings. Then production of Efimov design Muzzle brake-compensator was moved to "Polygon" LLC in Chelyabinsk, and became known as "Polygon MBC".

 

Pics of Original Efimov MBC for Saiga-12/Saga-20 made by Polygon

 

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The pics of Original Efimov MBC, that was modified by Vsevolod Ilyn. He added the additional holes for Up and Right compensation + increased the window in the second chamber for more Up compensation.

 

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Later "Guns Tuning Laboratories" started to make their own version of MBC based Original Efimov MBC (Polygon). I talked to the owner & Technical Director of "Guns Tuning Laboratories" about their PSH-2 several years ago. Their main business is to repair Trucks engines & transmissions, making Muzzle-brakes is a kind of hobby due to the Owner has Saiga-12 and likes shooting. They told that "Polygon" design was taken for their PSH-2 but they used Computer based Math models for the Hot Gases for their design, they recalculated the volumes of the first and the second chambers, increased the "window" in the second chamber & improved the "gills" as in number as in geometry making them like nozzles. As everybody knows, nozzle are more effective then standard outlet.

 

The pic of Guns Tuning Laboratories PH-2

 

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The pic of Guns Tuning Laboratories PH-4-S-12-MR

 

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The same time Eugeny Efimov improved his own design, adding a couple of gills in the first chamber, and redesigned the second one splitting it for tree compensation chambers. Here is the pic of Improved Efimov MBC with 4 chambers.

 

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Ilyn design MBC

 

One of the best MBC on the market based Efimov MBC is GK-01, designed by Vsevolod Ilyn.

 

This Muzzle Brake-compensator does not have a completely new design, but has the most improved "Polygon MBC" design, like Russian T-34 tank is the most improved version of American Christy tank. Using his huge IPSC practice experience for his design, Ilyn used first chamber of Polygon adding 10 similar to PSH-2 MBC or Improved Efimov MBC instead of 8 on "Polygon MBC" & redesign himself the second chamber of "Polygon MBC", that now has a completely new design. He also switched from Steel, that is used for making "Polygon MBC" & "PHS MBC" to Aluminum for his GK-01.

 

Ilyn MBC GK-01 now are made in Russia in cooperation with Vsevolod Ilyn by Molot, Molot Arms, IZHMASH, and in US by CSS, as well as, NoName in China - without. Molot Arms, as well as, IZMASH use D16T Al alloy rods for making their GK-01, Molot , before making their GK-01, prepare Al D16T for production forging Aliminium pigs, as forged aluminium wheels maker do for changing a structure of metal and increasing its safety factor. Now this MBC is well known in US as "Molot GK-01 muzzle brake/ Molot brake", and in Russia as "Ilyn Muzzle Brake-compensator".

 

The pic of Custom Ti Ilyn MBC GK-01 made by Molot

 

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The pic of Ilyn MBC GK-01 made by Molot Arms (Al D16T)

 

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The pic of Ilyn MBC GK-01 made by IZHMASH (Al D16T)

 

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There are some other models of MBC based on Efimov MBC on the market in Russia, here are pics of some of them.

 

The pics of MBC designed & made by "Cheaply"

 

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JP design MB

 

There are some models based on JP MB. This are "pure" muzzle brake. The pics of JP adapted for Vepr-12/Saiga-12.

 

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The pic of JP MB that was modified by Vsevolod Ilyn for working as MBC. On this pic is also Efimov MBC modified by Ilyn and Compensator for Vepr-12.

 

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Edited by PapaZorro
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Various design MBC

 

The pics of MBC designed by WILD

 

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The pics of Compensator based on Fabarm design

 

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The pics of MBC designed by Ascer

 

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The pic of Mossberg Road Blocker MB similar to Barrett .50 MB that is used by Jerry Mickulek on his shotgun. IMHO this MB can be adapted for Saiga-12 as JP.

 

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The pic of MB based on idea that used by Mosberg and Barrett, and modified by Russian shooters, making MBC instead of pure MB.

 

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There are some pics of compensators that are used with Saiga-12/Vepr-12

 

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Various MB, MBC & C for Saiga-12/Vepr-12

 

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Various of FH & Chokes for Saiga-12/Vepr-12

 

There are pics of some FH & Chokes, that are used in Russia with Saiga-12/Vepr-12

 

Pics of various of FH & Chokes made by Molot & IZMASH on Grizliks Vepr-12 VPO-205-03

 

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Pics of paradox for Vepr-12/Saiga-12 made by Molot

 

13482137.jpg

 

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Pics of paradox for Vepr-12/Saiga-12 made by IZHMASH

 

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to be continued....

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This is the best thread about S12/VEPR 12 muzzle devices that I have ever seen. It will be a shame if it doesn't get pinned. Excellence, PapaZorro!

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Cool writeup!

This is the best thread about S12/VEPR 12 muzzle devices that I have ever seen. It will be a shame if it doesn't get pinned. Excellence, PapaZorro!

 

Thanks guys;)

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That last picture has me thinking about having flanges similar to the open top ~barret MBC done on my MD FH for fun. I may have to have my uncle donate some welding to me.

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Ya got me very interested..... BUT, after watching some of the videos, A short thread on choke and the Molot style comp would be my choise..... I've searched and there dosn't seem to be a US supplier for a Saiga thead x Saiga thread choke??? am I missing something?? Mike

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Here is my custom choke adapter/muzzle brake/compensator. The MBC is based on the "Cheaply" design and was welded to Cobra 76's choke adapter. The OL is 6". The front baffle is shallower than I liked, but my machinist was limited to 1.5" diameter stock.

 

___12_3_zps20819c1c.jpg

P1020096_zps0308e6df.jpg

P1020097_zps05fceb7f.jpg

Saiga 12 in slug mode

P1020100_zpsde4ee949.jpg

Edited by turbotezza
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Here is my custom choke adapter/muzzle brake/compensator. The MBC is based on the "Cheaply" design and was welded to Cobra 76's choke adapter. The OL is 6". The front baffle is shallower than I liked, but my machinist was limited to 1.5" diameter stock.

 

___12_3_zps20819c1c.jpg

P1020096_zps0308e6df.jpg

P1020097_zps05fceb7f.jpg

Saiga 12 in slug mode

P1020100_zpsde4ee949.jpg

 

Very good ;) ! Two windows looks that are made correct for AK based shotguns (Saiga-12/Vepr-12) - for Up&Right compensation.

Does your MBC has two cambers, like Cheaply design MBC that is based on two chamber Efimov MBC design? If doesn't - it more similar to 12 Gauge Firestorm Brake that is also has only one chamber, and less effective than two chambers MBC (First chamber is MB, second is Compensator).

Why do you weld it to choke instead of make internal thread for more flexibility?

Edited by PapaZorro

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It was supposed to be two chambers, but i think my machinist forgot and made it one chamber.

 

The piece it is welded to can accept screw-in chokes, but you have to use a long choke key to reach it.

 

 

Very good wink.png ! Two windows looks that are made correct for AK based shotguns (Saiga-12/Vepr-12) - for Up&Right compensation.

Does your MBC has two cambers, like Cheaply design MBC that is based on two chamber Efimov MBC design? If doesn't - it more similar to 12 Gauge Firestorm Brake that is also has only one chamber, and less effective than two chambers MBC (First chamber is MB, second is Compensator).

Why do you weld it to choke instead of make internal thread for more flexibility?

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Hi, I want to correct you.

"MBC designed & made by "Cheaply"" author nickname is 'chaplya'. I think it was autocorrection what confused you big_smile.gif

It tooks me some time to find him at ru-net...

Edited by Kiryl

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