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The BugNut is a barrel nut system designed to allow the end user to install and/or change barrels with basic tools, and minimize the cost and lead times associated with custom fitted shouldered barrels. This nut system mechanically holds and headspaces the barrel the same way a Savage nut does, but offers several functional and cosmetic improvements:

  • Limitation of available barrel contours compatible with the Savage nut

  • Nut wrench engagement to nut can be minimal, and therefore damaging to the wrench

  • One piece wrench must be slid over the barrel before inserting the barrel into the barrel vise, increasing the risk of scratching the barrel finish

  • Savage/Remage pre-fits do not fit into the common barrel channel inlets (Rem Varmint, M24, Rem Sporter, etc) of composite stocks without re-working the stock or leaving unsightly gaps in the barrel channel

  • I personally find the Savage nut system a little ugly…

The BugNut is an attempt to address these issues and improve on all:

  • Any 1.20 or 1.250 breech barrel can be used, from your lightest sporter to a Heavy Varmint. Barrel should have a breech cylinder length of at least 2.0”

  • The BugNut wrench engages significantly more surface area than the Savage wrench

  • The BugNut wrench is a two piece wrench, and can be “assembled” over the nut after barreled action is in the barrel vise

  • The BugNut is .050 larger than the breech of the barrel, and should drop in to a traditional composite stock with little to no inletting. Most composite stocks have .030 clearance per side here, so clearance must be verified (or created if necessary)

  • BugNut barrels have significantly more material around the chamber, and can be used with short magnum and Ultramag cases



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BUGNUT Barrel Nut 1.06" x 16 TPI 1.20" Breech
BUGNUT Barrel Nut 1.06" x 16 TPI 1.20" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the following actions:
Remington 700, Defiance, Surgeon, Stiller, and others with 1.06"x16 tenon threads.
This nut is used for barrels with a breech of 1.20"
BUGNUT Barrel Nut 1.06" x 16 TPI 1.25" Breech
BUGNUT Barrel Nut 1.06" x 16 TPI 1.25" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the following actions:
Remington 700, Defiance, Surgeon, Stiller, and others with 1.06"x16 tenon threads.
This nut is used for barrels with a larger breech of 1.25"
BUGNUT Barrel Nut 1.06" x 20 TPI 1.20" Breech
BUGNUT Barrel Nut 1.06" x 20 TPI 1.20" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the Savage small shank, Bighorn, and Mausingfield actions with 1.06"x20 tenon threads. This nut is designed for barrels with a breech of 1.20" or smaller.
BUGNUT Barrel Nut 1.06" x 20 TPI 1.25" Breech
BUGNUT Barrel Nut 1.06" x 20 TPI 1.25" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the Savage small shank, Bighorn, and Mausingfield actions with 1.06"x20 tenon threads. This nut is designed for larger breech barrels with a breech of 1.20" to 1.25".
BUGNUT Barrel Nut 1.06" x 18 TPI 1.20" Breech
BUGNUT Barrel Nut 1.06" x 18 TPI 1.20" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the following actions:
Atlas, BAT, and others with 1.06"x18 tenon threads.
This nut is used for barrels with a breech of 1.20"
BUGNUT Barrel Nut 1.06" x 18 TPI 1.25" Breech
BUGNUT Barrel Nut 1.06" x 18 TPI 1.25" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with the following actions:
Atlas, BAT, and others with 1.06"x18 tenon threads.
This nut is used for barrels with a breech of 1.25"
BUGNUT Barrel Nut 1.075" x 16 TPI 1.25" Breech
BUGNUT Barrel Nut 1.075" x 16 TPI 1.25" Breech
Our Price: $40.00

This is the BUG NUT barrel nut for use with Remington factory actions that have been trued by Southern Precision Rifles. 1.075"x16 tenon threads.
This nut is used for barrels with a breech of 1.25"
Bugnut Wrench
Bugnut Wrench
Our Price: $50.00

The BugNut wrench is proprietary to the BugNut barrel nut, and will work with all arrangements of BugNut barrel nuts
It is a two piece wrench, and can be assembled over the nut to eliminate scrathing of the barrel. Has 1/2" square cutout for ratcheting wrench, torque wrench, or breaker bar
   
 
BugNut pre-fit barrels are machined for a specific action and (if applicable) a specific recoil lug thickness.  These are made to order, and should be ordered directly through SPR by phone or email to ensure all pertinent specifics are addressed