Larry Racine’s Switch-Barrel System
Larry Racine is a respected gunsmith based in New Hampshire. He is also a two-time member of the U.S. Palma Team, and a five-time New Hampshire State Highpower rifle champion. Larry, who runs LPR Gunsmithing, has developed a brilliantly simple means of switching rifle barrels with an ordinary spanner or open-end wrench. With this set-up you can switch barrels in the field in seconds without the need for a barrel vice.
For most barrels, Larry mills a hex with six flats on the end of the barrel. This allows a shooter to change barrels quickly at home or on the line with a simple box-head wrench or a socket wrench. Larry says: “You don’t even have to take the barreled action out of the gun. Just set the buttstock on the ground, between your feet, put a wrench on it, hit it with the palm of your hand — and off comes the barrel.” For barrels fitted with a muzzle brake, Larry has a slightly different system. He mills two flats behind the brake so you can use an open-end wrench to do the job.
With either a hex on the end, or two flats for a brake-equipped rifle, the system works with any medium- to heavy-contour barrel with a muzzle-diameter of at least 0.700″. This will even work for high-power rigs using clamp-on sights or bloop tubes. Larry explains: “A lot of us here in New England use clamp-on front sights. The barrel will be turned to 0.750 for the sight, with the hex on the end. A bloop tube can go right over the end, no problem.”
Larry has used this system over the past few years to win a number of matches. In one 600-yard 3 by 20 prone match, Larry used three different barrels, with three different chamberings, on the same Savage rifle. Larry changed the barrels on the line.
Larry was able to do this because the system has little to no loss of zero from one installation of a given barrel to the next installation of that barrel. This lets the shooter start the match with confidence that the first sighter will be on paper. Larry reports that the simple system works great: “To date we have used this system on Savage, Remington, Winchester, RPA, and Nesika actions.”
Racine’s system is very affordable. If Larry does the chamber work on your barrel he charges $45.00 extra to mill a hex or two flats on your barrel. If you only want the hex or flats done, Larry charges $55.00. For more info, visit LPRGunsmith.com or call Larry at (603) 357-0055.
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Tags: Barrel, Bloop Tube, Larry Racine, Switch-Barrel, Wrench
I ahve one of Larry’s Swithc barrel guns – in 6mmBR and 223 Rem. I had Larry fit two bolts as the cartridges are different. Love the gun – 6mmBR is shooting in the .3’s with my old tired eyes. I ahve not shot the 223 barrel yet.
Great idea and application.
This is a brilliant idea, love it, so simple yet so proven in every other industry. no special wrenches, just a good old craftsman wrench.
Could you not do the same thing on a round barrel with rubber strap wrench?
The system does work great — John Whidden was doing this in the late 90’s. Great minds often think alike.
Jim Hardy
I have seen Larry do a demo of his quick change barrel system in parking lot of a hotel one evening. I was truly impressed as he demonstrated his system.
Roy
Larry is doing some chamber work for me right now as well as some work on another action. Dam nice guy, I wish I found this article a few weeks ago.Oh well. As soon as I shoot out the barrel on my Hog Hunter I will send it to him to convert into a 6BR/308 switch barrel rig. He is also experimenting on an accutrigger for me, turning a standard accutrigger into a BR accutrigger, anxious to see how it comes out as I love that concept.