MBX 170mm Complete Magazine for Glock Pistols

Other products by MBX Extreme
  • Item #:  GL1709
Reg. Price: $157.99
Our Price: $157.99
The product is currently out of stock.
Are your Glock mags dropping freely and performing consistently? If not, you should give our MBX steel magazines a try. We developed a seamless, one-piece steel body Glock style magazine. We improved the reduction angles and added a second stage near the top to maintain a fast and consistent “nose up presentation”. We engineered the body of the tube to correctly stack, align and feed 9mm tapered cases. The tubes have been heat treated and tempered for consistent performance and durability. The base retention lips are infinitely stronger than the plastic and will not fail when you need extreme durability. The base retention lips are infinitely stronger than plastic and will not fail when you need extreme durability.

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Average rating 10 out of 10 ( based on 1 review )

Use a 16 coil spring

Review by Steve on 3/27/2023

Just a note - I have been experimenting with springs on these 170 mm magazines. With an 11 or 12 coil you can fit 28 rounds in here but I have had feed problems. I am now using a 16 coil spring for reliability and that is also what Glock puts in their OEM 24 round 170 mm mags. I recommend a minimum of 13 coils - the exact number you need will be dependent on your recoil spring strength and if you are running a compensator. The springs are not expensive so buy a pack of 16s and cut them down to 13, 14 and 15 and experiment to find your maximum capacity for rounds and 100% reliability.

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