TSE (MAB) Sporting Barrels

General Info

The TSE range of calibres, twist rates and off the shelf profiles are listed below, Ranging from .17cal to .50 cal.

Custom Profiling to the customer's drawing or old barrel or to a known profile (e.g. BSA, Remington, Ruger, SMLE, Longtom ect.) is achieved by (CNC) computer numerical profiling. This means that over 200 profiles are already recorded and may be matched to the customers existing barrel at a nominal charge. This simplifies the installation by the Gunsmith as no stock work is required to be carried out to relieve the barrel channel to maintain the full floating gap between the barrel and stock as the manufacturer intended it to be. All barrel blanks must have 25mm (1") removed from the muzzle when being installed.

The full range is available in 4140 high tensile chrom-moly steel (blued) and 416 stainless steel . All barrels are made from steel which has been supplied from the mill in a stress relieved state and to a specification to match MAB's developed criteria. In the process of manufacture a minium of (2) two more stress relieves are conducted inhouse using the latest in computer controlled, electric fired, stress relieving oven.

Custom design for the unusual request may be as long as 800mm (31 1/2 ") and a maximum diameter of 50mm (2") in both steels. Don't hesitate to ask for the seemingly impossible, TSE management enjoys the challenge... even if sometimes the staff don't.

Please note:

  • He who has never made a mistake has never made anything.
  • Many things have been developed by persons who were not smart enough to realise that they were impossible.

Calibres and twist rates

  • Rifles
  • Pistols

Rifles

  • All barrels are available in chrom-moly (blued) and stainless steel.
  • Off the shelf profiles are 660 mm (26") long.
  • Custom profiling and length up to 800mm (31") are available upon request.
  • Every blank as supplied should have a minium of 25mm (1") removed from the muzzle when fitting. 

Calibre

Twist Rates

Remarks

17 (stainless steel only)

9, 10

20 (stainless steel only)

10

223

16

.22 Rimfire

223

14

.22 Rimfire Match (221 groove dia)

224

7, 8
9, 10, 12
14

75/80gr VLD

most popular twist

243 (6 mm)

8
10
14

for >105gr
most popular twist
for PPC

257 (25 cal)

10

6.5 mm

8, 9, 11

270 (27 cal)

9, 10

7 mm

7, 9, 10

303 British

10

307

10, 12, 13, 14

7.62 mm Target Specs

308

10
12, 13, 14

most popular twist

8 mm

10

338

7, 10

9.3 mm

12

35 (356 Pistol/Revolver)

14

35 (357Pistol or Rifle)

16

35 (358Rifle)

12

375

12

416

15

404 (0.423”)

14

44

36

45 (Pistol)

16

458 (Rifle)

15

50 (0.500/0.510”)

15, 20


Pistols

  • Sold by the inch
  • 6.5", 13", and 26" are standard of the shelf

 
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