SLR Rifleworks +5 Extension for 43X/48 15rd Magazines w/ Removable Back Plate

SLR Rifleworks' newest extension is designed specifically for the new Glock 43X/48 15rd metal magazines. These extensions add an extra 5 rounds of 9mm to your 15rd magazine totaling 20+1 rounds of ammunition while still keeping a relatively slim profile.

What's Included:

- 6061 T6 Aluminum Extension Body
- Removable Rear Plate for Easy Installation
- Extra Power Spring
- Retention Screw

Please Note: This extension does not fit 43X/48 10rd magazines.