COX MR50 & MR25 - 50ML Dispenser Kits for Square-Back and Round-Back aka R-Flange & S-Flange cartridges (A-system, B-system, S-system, 2K)

In stock
SKU: COX_DM2C 050-MR-R13-011_159315
Cartridge Style
Regular price $ 32.99 USD
17 units available
17 units are available
The Cox MR50 Cartridge Dispensing Kits are perfect for virtually all 25 and 50ml cartridges. This dispenser comes in two kit types.  For the A-system or Square-back cartridges.. and the S-sytem or Round-back cartridges. 

Each kit includes attachments needed to operate with all ratios of each system/style of 50ml cartridges

S-sytem/round-back cartridges are most often used in medical and dental offices and clinics. But also are popular for MMA 10:1 ratio formulas too.  

Part Numbers for each kit style:

Kit Style Part Number Model Number Old Model Number Old Model Number

UPC Code

Square-Back (A-system) 159315 DM2C 050-MR-R13-011 MR25 DM2 MR25 717647310361
Round-Back (S-system) 159319 DM2C S50-MR-R13-012 MR50 DM2 MR50 717647310507


Between these two kits, all ratios are covered for for A-system, B-system, S-system, 2K and replacement/substitute cartridges.

Note: The MR50 for Round-Back cartridges works with Corian 'round-back' 50ml adhesive cartridges, as well as many impression and adhesive brands, like Exacta, SensiTemp, Defend, and more.

Dispensing Portions (Portioning):

With one full squeeze, this dispenser extrudes approximately 1.85ml (0.06 fl oz, 3/8 teaspoon) of combined epoxy & resin, weighing approximately 2.8 grams

Key Features of the Cox MR50/25 50ml dispensing kit:

Capacity: works with 50ml, 45ml, 35ml, 42.5ml cartridges.

Cartridge styles:

  • Works with all standard styles of adhesive cartridges
  • Square & Rectangle-Back (aka Type-A or A-Type), AND Round-Back (aka Type-S or S-Type) cartridges
  • Round-Back cartridges are most often used in medical & dential applicatios


  • Virtually all standard mixRatios are supported: 1:1, 2:1, 4:1 and 10:1
  • These ratios are supported with 3 different included plungers:
  • First for 1:1, second for 2:1, and third for both 4:1 and 10:1 ratios


  • 50 ml. Cartridge Systems
  • Works perfectly with Corian 'round-back' 50ml adhesive cartridges
  • Supports all standard mix ratios (1:1, 2:1, 4:1, 10:1)

  • Each kit Supports either Round Back Cartridges (aka Type-A or A-Type) or Square Back Cartridges (aka Type-S or S-Type)

  • Also Accomodates 37/43 ml. 2:1 Systems

  • Lightweight - Molded From Glass Reinforced ABS

  • Easy Loading Breech - Secure Fit