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Armscor Rock Island Armory / ACT-MAG 1911 Officers .45 ACP 7 RD nickel 54172N



ACT-MAG / Armscor Rock Island Armory 1911 Officers 7 round .45 ACP magazine with a nickel finish Armscor 54172N. ACT-MAG 1911 magazines have been supplied as O.E.M. magazines by Sig Sauer, S&W, Rock Island Armory, STI, Night Hawk, Spartan, Charles Daly and others.

ACT-MAG 1911 magazines are becoming well known throughout the firearms industry as one of the finest magazine manufacturers in the world. ACT-MAG magazines are engineered to function flawlessly under the toughest shooting conditions.

Initially offered to the shooting community for 1911 Government Model, ACT-MAG magazines are now OEM to most prominent 1911 firearm manufacturers. The ACT-MAG 1911 and SIG P220 .45ACP 8 round magazine are used by law enforcement and top competitive shooters worldwide.

FEATURES: » Guaranteed Functionality
» Polished Blue or Nickel Finish High Carbon Steel
» High Impact Polymer Composite Floorplate 

Now you can use the 8 round 1911 magazines in the 1911 Officers giving you an 8 round magazine with a finger grip.  Below is some information on the X-Grip and I have more information in the X-Grip section.

1911c 2pc


 The XGRIP 1911c 2pc is a NEW magazine adapter offered by FDI for the 1911

 compact. The XGRIP 1911c enhances the versatility, look, and feel of the gun.

Size of a Compact, Capacity of a Full-Size

The patented XGRIP 1911 2 piece adapts the full size Colt .45 acp 1911 8 round magazine with plastic floorplate to function and blend into the frame of the compact 1911 Officer pistol.


1911c 2pc +2 rounds .45 cal XG1911C2

Some also use the ACT-MAG 1911 7 round officer magazines in the Kahr CW45 as shown below, they seem to work fine. However they aren't actually made for the Kahr CW45.

ACT-MAG 1911 Officers 7 RD Armscor logo .45 ACP blued AMO4507PFB


  • Model: 1911ON-45-7 or Armscor 54172N
  • Manufactured by: ACT-MAG

William McNeill
5 of 5 Stars
Purchased specifically for the cw45, and it works perfect, cycles rounds well manually (have not test fired with act magazine yet) and does lock back on final round, sticks out maybe 1/8th of an inch longer, but you get a whole extra round, very worth it. Seller promptly shipped item as well.
Steven Mittler
5 of 5 Stars
Great mag, great price and great seller! Can't go wrong ordering this here!