Accurizing the Mosin-Nagant Rifle

The Mosin-Nagant is an accurate rifle, properly set up.  You don't have to settle for mediocre accuracy, and neither do you need to make permanent changes.  This is my how-to, and are the techniques I personally use.  It is not unusual to see 1.5MOA accuracy from the Mosin-Nagant when using these techniques.

The first thing that should be done is to smooth the barrel channel using an appropriate sized dowel rod or socket from a ratchet wrench, wrapped in 320 or so sandpaper.  When done, a straight edge should lay flat along the barrel channel.

Lightly oil the cork bedding on both sides.

Next, cut cork, lay it in, and lay the barreled action into the stock.   Observe whether the barrel lays flat.  It may.  Now, tighten the front and rear action screws to about 50in-lbs.  The barrel muzzle will probably raise quite a bit.

Bring lots of ammo and tools to the range. This takes a lot to get right.

Start placing cork material in the front and rear.  The barrel should lay as flat as possible when the action screws are tightened.

The barrel will probably not lay perfectly flat in the majority of cases.

I used business card stock on the top handguard. Oil it well.

This is not necessarily a bad thing though.  It provides an opportunity to add another known pressure point.

Move the front sling mounting point back!

And this is critical: the barrel bed and handguard have, in effect, been made one with the barrel.  It is a heavy barrel now, for lack of a better term.  It's bad for harmonics when anything  is attached to the barrel, so move the sling back, especially if you are like me and use the sling to shoot!

If your Mosin needs a bit of help, I sell accurizing kits, located on the right.  The hard work is done for you! 

Part II is here: Accurizing the Mosin-Nagant Rifle, Part II: A Year Later



Trigger Slack Spring, Finnish Style

$ 7.99 USD

Fits all Mosins!

I was asked to make this available, so I have!

Patterned after the Finnish M28's trigger spring, this is the very same spring I use on the two-stage trigger I offer on a limited basis.

This spring will take up any slack and generally improves trigger feel.

I now use carbon steel instead of stainless.  It's better for springs!


Mosin Accuracy Kit

$ 15 USD

Based on the Finnish method, this shim kit will vastly improve the accuracy of most Mosin rifles and carbines.


    • 1 front and 1 rear shim.  These are thick to eliminate random pressure points in the stock bedding.

    • 1 recoil lug face shim.  This keeps your Mosin's action tight against the recoil lug.  This provides a tight action bed for accuracy and helps prevent loose screws and stock cracks.

    • One barrel pressure pad.  Taming barrel harmonics is essential to precision and accuracy.

    • Instructions are included.


Classic Target and Gold Standard Combo

$ 38.00 USD


Sale!  On this page only!  $10 off regular price!

I like it when folks take the time to educate themselves, and this is my way of thanking you.

Fully Adjustable!

An adjustable combination Classic Target and Gold Standard sight.


The above video is mine.  The picture is not.  I believe it to be an English translation of an older Russian or Finnish manual, as it illustrates the methods used by both the Russians in their snipers' rifles and the Finns in their general issue rifles, though the Finns made wider use of shims on the barrel.  The felt wrapping seems to be uniquely Russian. 

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