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Mec SteelMaster 12 Gauge 863912

Caliber:
12 Gauge

Code: MEC-R5-863912

MPN: 863912

UPC: 098489014564

Product No Longer Available

Product Info for Mec SteelMaster 12 Gauge 863912

Mec SteelMaster 12 Gauge 863912 on sale and available from our online store. OpticsPlanet is an Authorized US Distributor for Mec Reloading Equipment.image

Resize station handles brass or steel heads in either high or low base. The E-Z prime auto primer feed, which dispenses primers automatically, is standard equipment. Comes specifically equipped to load steel shotshells and works equally well for lead shotshells.

Specifications for Mec SteelMaster 12 Gauge 863912:

Gauge:  12

Package Contents:

  • Mec 863912 SteelMaster 12 Gauge

Ammo Boxes

1–9 / 9
Previous
Best Rated
MTM 100 Round 12 Gauge Shotgun Shell Dry Box, SD1001209
MTM 100 Round 12 Gauge Shotgun Shell Dry Box, SD1001209
(9)
List: $40.90 (Save $3.41)
$37.49
Plano 12-16 Gauge Shot Shell Box w/Padlock Detail
Plano 12-16 Gauge Shot Shell Box w/Padlock Detail
List: $17.49 (Save Up to 39%)
$10.99
See all 2 models
MTM Model SF-50 Shotshell Cases 12 Gauge, Camouflage
MTM Model SF-50 Shotshell Cases 12 Gauge, Camouflage
(3)
List: $21.84 (Save 11%)
$19.49
Plano Shotgun Shell Box, O.D. Green, PMC121202
Plano Shotgun Shell Box, O.D. Green, PMC121202
(4)
List: $10.99
$10.95
Best Rated
MTM 25 Round 12/20 Gauge Shotshell Case, S25D41
MTM 25 Round 12/20 Gauge Shotshell Case, S25D41
(6)
List: $11.79 (Save 36%)
$7.49
MTM 50 Round 12 Gauge Shotgun Shell Tray, ST1240
MTM 50 Round 12 Gauge Shotgun Shell Tray, ST1240
(4)
List: $10.07
$9.99
MTM Shotshell Box 10 Round Flip-Top 12 Gauge Up To 3in. S-10-30
MTM Shotshell Box 10 Round Flip-Top 12 Gauge Up To 3in. S-10-30
(1)
List: $11.60 (Save 27%)
$8.49
Best Rated
MTM Shell Stack Holds 25 Loaded 2.75 Inch 12 Gauge Shotshells Clear Sold In 4-Packs, SS25-00
MTM Shell Stack Holds 25 Loaded 2.75 Inch 12 Gauge Shotshells Clear Sold In 4-Packs, SS25-00
(6)
List: $8.12
$7.99
MTM Deluxe Shotshell Case Holds 100 Rounds 12/20 Camouflage
MTM Deluxe Shotshell Case Holds 100 Rounds 12/20 Camouflage
(2)
$50.89
Next

Ammunition

1–7 / 7
Previous
Blazin' Deal
Fiocchi Shotgun 12 Gauge 0 Grain Brass Blank Ammunition
Fiocchi Shotgun 12 Gauge 0 Grain Brass Blank Ammunition
(1)
As Low As (Save Up to 59%)
$22.92
$0.16 - $0.92/Round
See all 2 models
Kent Cartridge ProTrial Field Blanks 12 Gauge Blank Ammo, 25 Rounds, K1225PTFB
Kent Cartridge ProTrial Field Blanks 12 Gauge Blank Ammo, 25 Rounds, K1225PTFB
List: $25.99 (Save $2.00)
$23.99
$0.96/Round
Winchester Super-X Shotshell 12 Gauge 0 grain 2.75in Blank Ammo, 25 Rounds, XP12
Winchester Super-X Shotshell 12 Gauge 0 grain 2.75in Blank Ammo, 25 Rounds, XP12
List: $40.49 (Save 19%)
$32.99
$1.32/Round
Brenneke Orange Lightning Lead Free Sabot 12 Gauge 2.75in Shotgun Slug Ammo, 5 Rounds, SL-122OLN
Brenneke Orange Lightning Lead Free Sabot 12 Gauge 2.75in Shotgun Slug Ammo, 5 Rounds, SL-122OLN
List: $41.04 (Save 32%)
$27.99
$5.60/Round
Winchester Super-X Shotshell 12 Gauge 0 grain Blank Ammo, 25 Rounds, XBP12W
Winchester Super-X Shotshell 12 Gauge 0 grain Blank Ammo, 25 Rounds, XBP12W
List: $164.49 (Save 18%)
$134.99
$5.40/Round
Brenneke Orange Lightning 125th Anniversary 12 Gauge 440 Grain 2.75in Shotgun Slug Ammo, 5 Rounds, SL-122OL
Brenneke Orange Lightning 125th Anniversary 12 Gauge 440 Grain 2.75in Shotgun Slug Ammo, 5 Rounds, SL-122OL
(1)
List: $10.99
$10.49
$2.10/Round
Fiocchi Rubber Slug 12 Gauge 4.8 g 2 3/4in Shotgun Slugs Ammo, 10 Rounds, 12LEBA10
Fiocchi Rubber Slug 12 Gauge 4.8 g 2 3/4in Shotgun Slugs Ammo, 10 Rounds, 12LEBA10
(1)
List: $43.99 (Save 18%)
$35.89
$3.59/Round
Next

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Mec SteelMaster 12 Gauge 863912 Unavailable & Discontinued Models

List of Unorderable Models

  • Mec SteelMaster 12 Gauge , MPN: 863912 , UPC: 098489014564 , Code: MEC-R5-863912
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Last updated 2026-10-05 UTC.