Product Description The Target Tactical Sports Glock +2 magazine bottom (base extension) is designed to increase magazine capacity while maintaining a clean, reliable fit. Built from a durable one-piece synthetic (polymer) construction, this black base extension is compatible with select Glock magazines across multiple calibers. It adds +2 rounds for 9mm, .40 S&W, and .357 SIG, and +1 round for .45 GAP. Magazine not included. Product Highlights Boosts capacity: +2 rounds for 9mm, .40 S&W, and .357 SIG; +1 round for .45 GAP Compatible with multiple Glock magazine models (see specs for full fit list) Durable one-piece polymer construction for dependable use Sleek black finish to match common Glock magazine setups Made in Bulgaria Specs Brand: Target Tactical Sports Manufacturer Part Number: TARBULGLO UPC: 088234685552 Product Type: Magazine base extension / magazine bottom Color: Black Material: Polymer (synthetic) Capacity Increase: +2 (9mm), +2 (.40 S&W), +2 (.357 SIG), +1 (.45 GAP) Fits: Glock 17, 19, 34 (9mm); Glock 22, 23, 35 (.40 S&W); Glock 31, 32 (.357 SIG); Glock 37, 38 (.45 GAP) Country of Manufacture: Bulgaria Magazine Included: No Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.