Features: Stainless Steel body Hybrid polymer/steel follower Steel portion of the follower engages the slide catch, preventing premature wear on the follower 7rd magazines available with a welded base or polymer base pad 8rd magazine available with polymer base pad Available in Government and Officer sizes Mfg: Tripp Research SPECS: Fits 1911, Government & Officer. Stainless steel body, polymer/steel follower, welded & polymer base pad.