Jim Borden, the very knowledgeable owner of Borden Accuracy, provided an interesting historical insight about barrel fitting and the term “blueprinting”. Jim has posted on his Borden Accuracy Facebook page an explanation of the term “blueprinting” as it originally was used with respect to barrel/shoulder/lug fitting.
Barrel/Shoulder Fit and Blue-Printing
Jim told us: “Something often overlooked on barrel installation is the shoulder fit. Many are so overly obsessed with doing a crank-on fit of threads that the shoulder contact is overlooked. Full, solid barrel shoulder to recoil lug or action face is critical to optimum accuracy and precision.
Many years ago part of the ‘blueprinting’ of an action was the use of Prussian blue to ‘blueprint’ lug fit, thread fit, and barrel shoulder fit. It was a colloquial expression that had nothing to do referring to a blueprint or drawing of the action.” Bet you didn’t know that!
About the photo below, Jim noted: “the fuzzy look on the threads is a liberal coating of Never-Seez thread lubricant.”
Look carefully to see the Prussian Blue applied to the barrel shoulder, plus Never Seez on threads.
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Every wondered how modern rifle actions are designed and crafted? Want to know the fine details of firing pin function and bolt lock-up? Then you should definitely watch this highly informative YouTube video. Top F-Class shooter Eric Cortina of Cortina Precision interviews Jim Borden, an engineer whose Borden Accuracy company produces some of the best rifle actions ever made. This is one of the better Eric Cortina video interviews. You’ll learn quite a bit from watching the video. The full video runs over two hours, so you may want to watch in segments over a couple of days.
Viewers have praised this interview, saying it has a wealth of information:
Gunsmith Alex Wheeler observed: “I consider Jim a friend even though we have never met. Definitely one of the guys that really gets actions. There’s not as many of them as you would think. He was the first timed action out there that had good ignition, at least in my opinion. It was a great interview. I do hope he has him on again.”
“Agreed. Jim is full of information and really does a good job on his actions. This [Cortina] interview with Jim Borden was excellent.” — Jud96
“I really like Jim’s explanations on why ductility is so important in an action. Especially in the critical areas that basically form 90 degree surfaces, such as where bolt lugs meet the bolt body. There is a lot of great info in this interview.” — Jackie Schmidt
“I have enjoyed all of Erik’s interview videos, which are very informative. But I agree [that] this interview with Jim Borden is the best. I learned a lot. Thank you Erik and Jim!” — Alexander-M
About Jim Borden and Borden Accuracy
Jim began shooting high power silhouette and benchrest matches in the mid 1970s while working for a Fortune 500 company as an engineer. In the early 1980s he began building rifles for himself and then for others. Jim has a background as a gunsmith, machinist, registered mechanical engineer, engineering instructor, project manager, hunter, and benchrest competitor.
In benchrest competition Jim has set ten world records and won 11 National Championships thereby earning induction into the Benchrest Hall of Fame. Jim also served six terms as President of the International Benchrest Shooters (IBS).
Jim operates Borden Rifles/Borden Accuracy with his wife Joan, sons Jim Junior and John, daughter Andrea Mecca and son-in-law John (Mike) Mecca. Jim is also an outstanding photographer. Below is a stunning eagle image photographed by Jim Borden.
Borden Accuracy — A Success Story
Borden Accuracy/Borden Rifles has been a source for precision benchrest and hunting rifles for many years. Jim started doing his own gunsmithing while competing in benchrest and High Power silhouette matches. Jim launched his business in 1987, working nights and weekends while still employed at P&G. The business became full-time in 1995 with Jim and his wife Joan doing the work. The business was expanded in 1999 with the construction of the new Springville, PA facility and the addition of sons Jim Jr. and John to the staff. Daughter Andrea Mecca joined the staff in May 2016 as machinist and machine operator and Son-in-law John Mecca came onboard in January 2000.
Jim and company began making Rimrock benchrest and Rimrock hunting actions in 2001. They added Borden Alpine and Timberline actions in 2006. These actions are made in an advanced manufacturing facility which has three CNC vertical machining centers, 1 CNC lathe and 2 CNC turning centers, three manual lathes, a manual knee mill, a surface grinder, a cylindrical grinder and wire EDM machine. To learn more, visit BordenRifles.com, call 570-965-2505, or send email to info [at] bordenrifles.com.
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Readers know Jim Borden as a Hall of Fame shooter and the owner of Borden Accuracy/Borden Rifles. Jim won 10 IBS National Championships, set 10 IBS world records, and was inducted into the Benchrest Hall of Fame in 1996. But Jim is not just a great shooter. This highly-trained engineer is very much a Renaissance man. He is as skilled with cameras as he is with benchrest rifles.
Jim is a talented outdoor photographer who has compiled an impressive portfolio of wildlife and landscape photographs. For our Thanksgiving-day edition of the Daily Bulletin we are featuring some of Jim’s favorite nature images. We hope readers enjoy them as much as shooters prize Borden’s Rimrock benchrest and Rimrock hunting actions.
Growing up in rural Pennsylvania, in a hunting household and hunting community, Jim learned about shooting at a very early age. He started hunting at the age of nine with his father and grandfather. His grandfather had an avid interest in photography while they were on hunts and Jim became interested as well. Jim began using SLR cameras in the 1970s, often carrying cameras on his hunts. As the years passed, Jim became more interested in “shooting” the animals with a camera versus a gun. Jim converted from film to digital in 2006 and in 2007 Jim’s wife Joan started accompanying Jim on the photo safaris. Jim has a particular passion for elk, moose, and eagles and Jim also enjoys scenic photography. Jim and Joan both shoot Nikon professional equipment. Their photographs can be viewed at www.Borden-Photo.com. You’ll also find Jim’s images (along with photography tips) on his JandJB Wildlife Photography Blog.
All in the Family
Jim’s grandfather was a gunsmith who taught Jim the trade when Jim was very young. Jim’s father and grandfather ran a country business that included an auto repair shop, welding, a small lathe, and a forge. Jim earned a degree in Mechanical engineering at Penn State University. For 23 years he worked for Procter and Gamble (P&G) as an engineer and as an engineering manager/project manager.
Borden Rifles — A Success Story
Borden Accuracy/Borden Rifles has been a source for precision benchrest and hunting rifles for many years. Jim started doing his own gunsmithing while competing in benchrest and high power silhouette matches. Jim launched his business in 1987, working nights and weekends while still employed at P&G. The business became full-time in 1995 with Jim and his wife Joan doing the work. The business was expanded in 1999 with the construction of the new Springville, PA facility and the addition of sons Jim Jr. and John to the staff. Son-in-law John Mecca came onboard in January 2000. Now the Borden shop continues to make some of the finest rifles and actions in the world. Joan tells us that the company has seen a significant growth in ultra-high-quality precision hunting rifles in recent years.
Jim and company began making Rimrock benchrest and Rimrock hunting actions in 2001. They added Borden Alpine and Timberline actions in 2006. These actions are made in an advanced manufacturing facility which has three CNC vertical Machining centers, three CNC lathes, three manual lathes, a manual knee mill, a surface grinder, a cylindrical grinder and wire EDM machine. To learn more, visit BordenRifles.com, call 570-965-2505, or send email to info [at] bordenrifles.com.
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Jim Borden, the very knowledgeable owner of Borden Accuracy, provided an interesting historical insight about barrel fitting and the term “blueprinting”. Jim recently posted on the Borden Accuracy Facebook page an explanation of the term “blueprinting” as it originally was used with respect to barrel/shoulder/lug fitting.
Barrel/Shoulder Fit and Blue-Printing
Jim told us: “Something often overlooked on barrel installation is the shoulder fit. Many are so overly obsessed with doing a crank-on fit of threads that the shoulder contact is overlooked. Full, solid barrel shoulder to recoil lug or action face is critical to optimum accuracy and precision.
Many years ago part of the ‘blueprinting’ of an action was the use of Prussian blue to ‘blueprint’ lug fit, thread fit, and barrel shoulder fit. It was a colloquial expression that had nothing to do referring to a blueprint or drawing of the action.” Bet you didn’t know that!
About the photo below, Jim noted: “the fuzzy look on the threads is a liberal coating of Never-Seez thread lubricant.”
Look carefully to see the Prussian Blue applied to the barrel shoulder, plus Never Seez on threads.
Share the post "Jim Borden Explains “Blueprinting” for Barrel Shoulders & Lugs"
Readers know Jim Borden as a Hall of Fame shooter and the owner of Borden Accuracy/Borden Rifles. Jim won 10 IBS National Championships, set 10 IBS world records, and was inducted into the Benchrest Hall of Fame in 1996. But Jim is not just a great shooter. This highly-trained engineer is very much a Renaissance man. He is as skilled with cameras as he is with benchrest rifles.
Jim is a talented outdoor photographer who has compiled an impressive portfolio of wildlife and landscape photographs. For our Thanksgiving-day edition of the Daily Bulletin we are featuring some of Jim’s favorite nature images. We hope readers enjoy them as much as shooters prize Borden’s Rimrock benchrest and Rimrock hunting actions.
Growing up in rural Pennsylvania, in a hunting household and hunting community, Jim learned about shooting at a very early age. He started hunting at the age of nine with his father and grandfather. His grandfather had an avid interest in photography while they were on hunts and Jim became interested as well. Jim began using SLR cameras in the 1970s, often carrying cameras on his hunts. As the years passed, Jim became more interested in “shooting” the animals with a camera versus a gun. Jim converted from film to digital in 2006 and in 2007 Jim’s wife Joan started accompanying Jim on the photo safaris. Jim has a particular passion for elk, moose, and eagles and Jim also enjoys scenic photography. Jim and Joan both shoot Nikon professional equipment. Their photographs can be viewed at www.BordenPhotography.com. You’ll also find Jim’s images (along with photography tips) on his JandJB Wildlife Photography Blog.
All in the Family
Jim’s grandfather was a gunsmith who taught Jim the trade when Jim was very young. Jim’s father and grandfather ran a country business that included an auto repair shop, welding, a small lathe, and a forge. Jim earned a degree in Mechanical engineering at Penn State University. For 23 years he worked for Procter and Gamble (P&G) as an engineer and as an engineering manager/project manager.
Borden Rifles — A Success Story
Borden Accuracy/Borden Rifles has been a source for precision benchrest and hunting rifles for many years. Jim started doing his own gunsmithing while competing in benchrest and high power silhouette matches. Jim launched his business in 1987, working nights and weekends while still employed at P&G. The business became full-time in 1995 with Jim and his wife Joan doing the work. The business was expanded in 1999 with the construction of the new Springville, PA facility and the addition of sons Jim Jr. and John to the staff. Son-in-law John Mecca came onboard in January 2000. Now the Borden shop continues to make some of the finest rifles and actions in the world. Joan tells us that the company has seen a significant growth in ultra-high-quality precision hunting rifles in recent years.
Jim and company began making Rimrock benchrest and Rimrock hunting actions in 2001. They added Borden Alpine and Timberline actions in 2006. These actions are made in an advanced manufacturing facility which has three CNC vertical Machining centers, three CNC lathes, three manual lathes, a manual knee mill, a surface grinder, a cylindrical grinder and wire EDM machine. To learn more, visit BordenRifles.com, call 570-965-2505, or send email to info [at] bordenrifles.com.
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You’ll want to tune in to Kelly McMillan’s Taking Stock Radio Show tomorrow, Friday, October 27, 2017. This week’s Episode 42 features respected action-maker and gunsmith Jim Borden of Borden Accuracy. The Radio Show, which streams on the internet, runs 8/27/2017 at 11:00 AM Pacific Time on VoiceAmerica Sports Channel.
Jim and Kelly will discuss a variety of topics, including gunsmithing, action design/manufacture, the past/present/future of Benchrest and F-Class competition, and how Benchrest technology have influenced other disciplines. Jim Borden is a “benchrest icon” who has been in the business maybe as long as McMillan. Kelly notes: “I remember the Borden name dating way back to when it was just my mother, father, and I working in the garage. Jim Borden will share the story of his legacy with our listeners”. CLICK HERE to LISTEN.
The Radio Show will also feature Kelly’s friend Kevin Finley, a professional bass fisherman. Access this and other “Taking Stock” episodes by clicking the Radio link on McMillanUSA.com, then select “Listen Live” or select Episode on Demand to hear previous shows. In past weeks, Taking Stock Radio has featured K02M and World F-TR Champ Derek Rodgers, Team USA F-TR Captain Ray Gross, Ballistics Guru Bryan Litz, Long-Range Champ Nancy Tompkins, High Power Champ Carl Bernosky, Legendary Olympic Shooter Lones Wigger, Sniper’s Hide Founder Frank Galli, and many other notables.
Borden and McMillan Collaborate on F-Open Rifle for Juniors
It’s great to see two important businessmen give back to the shooting sports. Kelly McMillan and Jim Borden are working together on a project — creating an F-Class Open rifle that can be loaned out to young shooters to help them get started with the sport. Great idea — we need to get more young folks involved in precision shooting. In F-Class (as well as benchrest) we have an “aging population”. Engaging the next generation of shooters is vitally important.
Borden Accuracy — A Success Story
Borden Accuracy/Borden Rifles has been a source for precision benchrest and hunting rifles for many years. Jim started doing his own gunsmithing while competing in benchrest and High Power silhouette matches. Jim launched his business in 1987, working nights and weekends while still employed at P&G. The business became full-time in 1995 with Jim and his wife Joan doing the work. The business was expanded in 1999 with the construction of the new Springville, PA facility and the addition of sons Jim Jr. and John to the staff. Son-in-law John Mecca came onboard in January 2000.
Jim and company began making Rimrock benchrest and Rimrock hunting actions in 2001. They added Borden Alpine and Timberline actions in 2006. These actions are made in an advanced manufacturing facility which has three CNC vertical Machining centers, three CNC lathes, three manual lathes, a manual knee mill, a surface grinder, a cylindrical grinder and wire EDM machine. To learn more, visit BordenRifles.com, call 570-965-2505, or send email to info [at] bordenrifles.com.
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Jim Borden of Borden Accuracy tells us that he will soon offer Titanium actions: “The Alpine and Timberline family of actions will soon be available for sale with Titanium action bodies. Stay tuned!”
Jim provided this photo of a prototype Alpine Magnum Titanium action body on the scale. Note it is just a bit over one-half pound without bolt. That’s light-weight. Jim said he will “send bolt body, action body, recoil lug, bolt stop and bolt shroud for PVD treatment next week”. Jim hopes to be shooting the finished prototype Titanium Alpine action in two weeks.
AccurateShooter.com will provide a full report on the Borden Titanium actions when they reach final production stage. The reduced weight benefits game hunters who have to carry their rifles far afield all day long. We also like the idea of a Titanium action in a small-caliber, carry-around varmint rifle. With a low-recoiling cartridge such as the 20 Vartarg or .223 Remington, it makes sense to have a light-weight rifle that’s easy to pick up and move around.
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Our friend Erik Cortina told us that Jim Borden of Borden Accuracy has developed a new “wide-body” action, the Borden BRMXD. Erik is building a rifle around this action to shoot at the 2016 Berger SW Nationals. The new BRMXD is Borden’s first venture into action bodies larger than 1.350″ in diameter. The round BRMXD action measures a stout 1.470″ in diameter and comes standard with bottom recoil lug. If the customer prefers, Border can deliver the action with a conventional recoil lug on the front. We like the looks of Borden’s new BRMXD, and we bet this new stainless action will be a smooth runner.
Borden BRM-XD Action Specifications:
• Action: BRM-XD
• Length: 8-1/8″
• Outside Diameter: 1.470″
• Port Length: Single Port: 2.750″
— Dual Port w/ Mini Port for BR / PPC: 2.750″ Loading & 1.8″ Eject Port
— Dual Port w/ x47 Family Port: 2.750″ Loading & 1.9″ Eject Port
— Dual Port w/ .284 Family Port: 2.750″ Loading & 2.4″ Eject Port
• Weight: 42.6 oz for Single Port
• Price: $1325.00 with bottom lug for a single port – $1400.00 for a dual port + shipping
• Price: $1250.00 for no lug (Glue-In Only)
Borden Accuracy will also offer a 0.215″ spacer for shooters who wish to use their current PANDA barrels with a new BRMXD action. This hardened steel spacer will cost $50.00 (introductory price).
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Readers know Jim Borden as a Hall of Fame shooter and the owner of Borden Accuracy/Borden Rifles. Jim won 10 IBS National Championships, set 10 IBS world records, and was inducted into the Benchrest Hall of Fame in 1996. But Jim is not just a great shooter. This highly-trained engineer is very much a Renaissance man. He is as skilled with cameras as he is with benchrest rifles.
Jim is a talented outdoor photographer who has compiled an impressive portfolio of wildlife and landscape photographs. For our Thanksgiving-day edition of the Daily Bulletin we are featuring some of Jim’s favorite nature images. We hope readers enjoy them as much as shooters prize Borden’s Rimrock benchrest and Rimrock hunting actions.
Growing up in rural Pennsylvania, in a hunting household and hunting community, Jim learned about shooting at a very early age. He started hunting at the age of nine with his father and grandfather. His grandfather had an avid interest in photography while they were on hunts and Jim became interested as well. Jim began using SLR cameras in the 1970s, often carrying cameras on his hunts. As the years passed, Jim became more interested in “shooting” the animals with a camera versus a gun. Jim converted from film to digital in 2006 and in 2007 Jim’s wife Joan started accompanying Jim on the photo safaris. Jim has a particular passion for elk, moose, and eagles and Jim also enjoys scenic photography. Jim and Joan both shoot Nikon professional equipment. Their photographs can be viewed at www.BordenPhotography.com. You’ll also find Jim’s images (along with photography tips) on his JandJB Wildlife Photography Blog.
All in the Family
Jim’s grandfather was a gunsmith who taught Jim the trade when Jim was very young. Jim’s father and grandfather ran a country business that included an auto repair shop, welding, a small lathe, and a forge. Jim earned a degree in Mechanical engineering at Penn State University. For 23 years he worked for Procter and Gamble (P&G) as an engineer and as an engineering manager/project manager.
Borden Rifles — A Success Story
Borden Accuracy/Borden Rifles has been a source for precision benchrest and hunting rifles for many years. Jim started doing his own gunsmithing while competing in benchrest and high power silhouette matches. Jim launched his business in 1987, working nights and weekends while still employed at P&G. The business became full-time in 1995 with Jim and his wife Joan doing the work. The business was expanded in 1999 with the construction of the new Springville, PA facility and the addition of sons Jim Jr. and John to the staff. Son-in-law John Mecca came onboard in January 2000.
Jim and company began making Rimrock benchrest and Rimrock hunting actions in 2001. They added Borden Alpine and Timberline actions in 2006. These actions are made in an advanced manufacturing facility which has three CNC vertical Machining centers, three CNC lathes, three manual lathes, a manual knee mill, a surface grinder, a cylindrical grinder and wire EDM machine. To learn more, visit BordenRifles.com, call 570-965-2505, or send email to info [at] bordenrifles.com .
Barrel/Shoulder Fit and Blue-Printing
About Jim Borden and Borden Accuracy
Borden Accuracy — A Success Story
Jim is a talented outdoor photographer who has compiled an impressive portfolio of wildlife and landscape photographs. For our Thanksgiving-day edition of the Daily Bulletin we are featuring some of Jim’s favorite nature images. We hope readers enjoy them as much as shooters prize Borden’s Rimrock benchrest and Rimrock hunting actions.
