Tech Support Index
Posted by Kurt Bellm on 9/12/2023 to
News
Chamber Cast Library Precision Re-Crowning Barrels More Chamber Misalignment
Your TC Schematics in one place
Posted by KURT BELLM on 9/7/2023 to
News
Your TC Schematics in one place This collection of schematics is provided for your convenience, offering detailed information about your Thompson/Center Arms brand firearms. *All schematics linked to
G2 Vs Contender
Posted by KURT BELLM on 9/7/2023 to
News
G2 Vs Contender
Pardon the construction, this page is still under development more content to follow soon.
This "inside view" of a nicely cut away G2 frame helps you get an understanding
Thompson Center Owners Manuals
Posted by KURT BELLM on 9/7/2023 to
News
Thompson Center Owners Manuals
This collection of owner’s manuals is provided for your convenience, offering detailed information about the use and care of Thompson/Center Arms™ brand
Sims Barrel Deresonator Test
Posted by KURT BELLM on 9/7/2023 to
News
Sims Barrel Deresonator Test
What we are after is a fix for problem barrels that exhibit poor accuracy. If barrel harmonics can be eliminated in the process of finding the true cause of inaccuracy, then
DON BOWER LONG RANGE HANDGUN COURSE
Posted by MIKE BELLM on 9/7/2023 to
News
DON BOWER LONG RANGE HANDGUN COURSE
This page was originally about the long-range handgun shooting clinic Don Bower and Mark Sheehan put on at Alliance, Nebraska in 2002, but has now become a
HANDLOADER ARTICLE ON ACKLEY IMPROVED
Posted by MIKE BELLM on 9/7/2023 to
News
HANDLOADER ARTICLE ON ACKLEY IMPROVE In the October 2013 issue of Handloader Magazine, John Barsness set out to clarify some misconceptions of the Ackley Improved cartridge case design. A number of our patrons
DETERMINGING MAXIMUM PRESSURE G2 CONTENDER
Posted by MIKE BELLM on 9/7/2023 to
News
DETERMINGING MAXIMUM PRESSURE G2 CONTENDER
DETERMINING MAXIMUM PRESSURE...........
THE SPRING-BACK METHOD FOR DETERMINING MAXIMUM BREECH PRESSURE WITH .444 MARLIN BASED CARTRIDGES USED IN CONTENDERS
FOREND PILLAR BEDDING
Posted by MIKE BELLM on 9/7/2023 to
News
FOREND PILLAR BEDDING Pillar Bedding Forends for best accuracy. As barrels heat up during firing, they move causing small but very significant changes in their points of contact in the forend barrel
Bandsaw Case Trimming
Posted by MIKE BELLM on 9/7/2023 to
News
Bandsaw Case Trimming
Make time and do a better, more precise job trimming cases with a bandsaw than conventional case trimmers when shortening cases for reforming Lopping off substantial excess case
BELLM TCs TECH SUPPORT/FAQ
Posted by KURT BELLM on 9/7/2023 to
News
BELLM TCs TECH SUPPORT/FAQ
“T/C made a great gun, we make it better.” - Kurt Bellm Introduction: Welcome to the new and improved Bellm T/Cs. My father started the company in 1979 with one goal
MUZZLE BRAKES MACHINED INTO THE BARREL
Posted by MIKE BELLM on 9/7/2023 to
News
MUZZLE BRAKES MACHINED INTO THE BARREL
Muzzle brakes machined INTO the barrel, not added on. Tame a hard kicker like a .338 Win. Mag. down to a recoil level
.30 BELLM Illinois Deer Hunting Bliss
Posted by MIKE BELLM on 9/7/2023 to
News
.30 BELLM Illinois Deer Hunting Bliss
Why stop at 75 yards? Get 200 yard plus capability from Illinois legal handgun cartridges. Here's HOW! .30 Bellm is the best of the two bottle neck .30
Converting Rifles To Handguns
Posted by KURT BELLM on 9/7/2023 to
News
Converting Rifles To Handguns
Any way you stack it, it is technically a violation of the 1934 National Firearms Act to convert a TC from rifle configuration to handgun. Best advice is to have one
.308 BELLM Load Data
Posted by MIKE BELLM on 9/7/2023 to
News
.308 BELLM Load Data
Developed by Don Shearer, Littleton, CO.
Designed especially for TC Contenders to correct factory .30/30 chamber misalignment, cut out the factory throat,
357 MAX CHAMBER THROATS
Posted by MIKE BELLM on 9/7/2023 to
News
357 MAX CHAMBER THROATS The SAAMI spec. forcing cone factory chambers do not support the shank of the bullet as it engraves into the rifling. The forcing cone design nearly gave the .357 Rem. Maximum a death
MORE CHAMBER MISALIGNMENT
Posted by MIKE BELLM on 9/7/2023 to
News
This is what you guys are up against when you buy a barrel or have a barrel rechambered. It is not about finding fault, it is about educating shooters and getting the performance from the TC guns that they deserve. It is also about shooting
Precision Re-Crowning Barrels
Posted by MIKE BELLM on 9/7/2023 to
News
Precision Re-Crowning Barrels
Much of the time factory and even a lot of "custom" crowns are cut off-center and/or out of square with the bore. There are other ways to go about it, but this is the best
CHAMBER CAST LIBRARY
Posted by MIKE BELLM on 9/7/2023 to
News
CHAMBER CAST LIBRADY
Chamber Casts on File for Reference The chamber throat is THE single most important aspect of the chamber, yet it is the most neglected aspect of the chamber.
CVA PARAMOUNT
Posted by KURT BELLM on 9/6/2023 to
News
CVA PARAMOUNT At the beginning of this year, CVA revealed its new muzzle-loading rifle the Paramount Muzzleloader. For those familiar with CVA products or muzzleloaders in general, you may say that the Paramount
CUSTOMIZED ENCORE AND G2 BARRELS
Posted by MIKE BELLM on 9/6/2023 to
News
CUSTOMIZED ENCORE AND G2 BARRELS
This page gives you some examples of barrels customized by me, Mike Bellm.
A little about my approach to the work I do.
All chamber and crown work I
SECURE SCOPE BASE MOUNTING
Posted by MIKE BELLM on 9/6/2023 to
News
SECURE SCOPE BASE MOUNTING
If finger tip pressure on a scope base overhanging the taper on a barrel moves the base up and down, stop and think what happens to your scope and rear scope ring
TBOSS
Posted by MIKE BELLM on 9/6/2023 to
News
TBOSS
Add this feature to extract a case in a hurry under any conditions! HIGHLY recommended for belted mag chambers and when hunting dangerous game where a problem
7.62x54R Russian
Posted by MIKE BELLM on 9/6/2023 to
News
7.62x54R Russian
This ancient and rather odd looking round is no slouch and is proving to be an ideal cartridge for the Encore. 7.62x54R Russian never seemed to "fit" into the work I
BELLM TRIAD ROUNDS
Posted by MIKE BELLM on 9/6/2023 to
News
BELLM TRIAD ROUNDS
Bellm cartridges based on the .308 Winchester case body and .444 Marlin brass to both correct factory chamber misalignment and increase performance from the Thompson Center