Armscor MAP FS / Rock Island Map MS 9mm, Rock Island Armory MAPP FS/MS,  Witness Small Frame 9mm 10 RD Mec-Gar MGWIT9SF10B

Armscor MAP FS / Rock Island Armory MAP MS 9mm, Rock Island Armory MAPP FS/MS, and EAA Witness/Tanfoglio Full-Size Small-Frame 9mm — Mec-Gar Magazine, Blued Finish (MGWIT9SF10B)

This Mec-Gar 9mm magazine is designed for full-size, small-frame EAA Witness/Tanfoglio pistols and other compatible firearms. It fits the following models:

  • Armscor MAP FS / Rock Island Armory MAP MS 9mm
  • Rock Island Armory MAPP FS/MS
  • EAA Witness/Tanfoglio
  • Tanfoglio TA90 (not for pre-1988 series models; pre-B CZ 75 factory magazines should work in those models)
  • Arsenal Strike One
  • TZ-75
  • EAA Witness PS
  • Baby Desert Eagle III
  • Springfield Armory P9
  • Jericho 941 models built with Tanfoglio-supplied parts
  • ITM AT-84
  • BUL Cherokee produced after 2005 with the polymer frame and accessory rail
  • BUL Cherokee Compact

I have been told that the pre-2005 BUL Cherokee, with the polymer frame and no accessory rail, uses CZ 75B magazines.

Arsenal Strike One

This magazine will function in the Arsenal Strike One, but it will not lock the slide open after the last round.

SPHINX / Phoenix Compatibility

A customer has reported that this magazine is compatible with the following SPHINX/Phoenix pistols and functions properly:

  • 3009
  • AT2000S
  • Phoenix Fusion Standard
  • Phoenix Redback
  • ITM AT84S (pre-SPHINX)

Does not fit older SPHINX 3000 models.

Small-Frame EAA Witness/Tanfoglio Magazine

This is the magazine you need for a full-size pistol with a small frame and narrow magazine well.

It is intended for the small-frame metal EAA Witness/Tanfoglio pistols and the EAA Witness PS, which uses a small-frame polymer configuration.

If your pistol uses Witness magazine #101900, this is the magazine you need.

Large-frame metal and polymer pistols have a wider magazine well and require a different, wider magazine, which I also stock.

Mec-Gar is the OEM supplier of Tanfoglio magazines. These magazines are Mec-Gar's aftermarket versions of the factory magazines they manufacture for Tanfoglio.

How to Determine Whether You Need a Small-Frame or Large-Frame Magazine

Before 2005, the EAA Witness was produced in both small- and large-frame configurations, depending on caliber and frame material.

Small-frame models include:

  • Witness PS
  • Witness Classics
  • Witness firearms produced in 9mm or .40 S&W prior to 2005

The following calibers are considered large-frame regardless of production year:

  • 10mm
  • .38 Super
  • .45 ACP

Full-size Witness P, Witness Steel, Witness Elite, and Xtreme models produced after 2005 are also large-frame.

If your pistol takes Witness magazine #101900, you need the small-frame 9mm magazine.

Small-Frame vs. Large-Frame Magazine Dimensions

Small-frame magazines:

  • Approximately 0.796" thick (side to side)
  • Approximately 1.25" front to back
  • Smooth sides on the magazine tube

Large-frame magazines:

  • Approximately 0.843" thick (side to side)
  • Approximately 1.369" front to back
  • Large-frame 9mm magazines have grooves running down the sides of the magazine tube

Neither the large- nor small-frame .40 S&W magazine tubes have grooves on the sides.

EAA Witness small-frame 9mm magazines originally held 16 rounds. Current small- and large-frame 9mm magazines hold 17 rounds. Small-frame .40 S&W magazines hold 12 rounds, while large-frame .40 S&W magazines hold 14 rounds.

Small-Frame SKU Compatibility

The following SKUs fall into the small-frame category:

  • 999048 — .40 S&W Full Size / Comp Slide
  • 999044 — 9mm Full Size / Comp Slide
  • 999244 — 9mm Full Size / Full Slide
  • 999644 — 9mm Full Size / Grey Ghost
  • Pavona / Compact

Large-Frame Models

Large-frame models include:

  • Witness P — Full Size, Compact, and P Carry
  • Witness Classic 2 and later models produced after 2005
  • Witness Steel
  • Witness Elite
  • Entire Xtreme line

All 10mm, .38 Super, and .45 ACP models are considered large-frame regardless of production year.

Note: Witness Elite and Xtreme Gold Team and Limited models require an aluminum base pad in addition to the magazine.

Compatible Firearms: WITNESS / TANFOGLIO SMALL FRAME PISTOLS / SPRINGFIELD P9 / ARMSCOR MAPP 1

Caliber: 9mm

Capacity: 10 rounds

Coating: Blued

Follower: High-impact polymer

Tube: Heat-treated carbon steel. The dimpled design accepts standard Mec-Gar floorplates, springs, and followers

Spring: High tensile music wire

Floorplate: High-impact polymer that sits flush with the pistol

SKU: MGWIT9SF10B — UPC: 765595750012

Constructed from certified carbon steel and features a heat-treated housing and high-impact polymer or certified carbon steel follower and floorplate. The magazine spring is made of high-strength type "D" music wire the strongest wire available. TIG welding provides additional strength and a seamless finish. Each magazine surface is specially treated to ensure high corrosion resistance.

Mec-Gar is proud to be the Original Equipment Manufacturer of magazines to most of the prominent firearm manufacturers for the last 40 years including AMT - Armscor - Astra - Beretta Bernadelli - FN Browning - BUL - Charles Daly - Colt - CZ - IMI - Kel-Tec - Kimber - Llama - North American Arms - Remington - Sigarms - Smith & Wesson - Springfield Armory - STI - Standard Arms - Star - Steyr - Tanfoglio - Taurus - Walther

  • Model: MGWIT9SF10B
  • Manufactured by: MEC-GAR
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$22.95

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