This is a Wilson Combat known as the Bullet Proof, model 31TSBP.
The Bullet Proof Tactical Magazine Release is slightly extended 1/16" over a stock part for fast" smooth operation and is equally suited for competition or carry. Perfectly checkered at 30 LPI for non-slip activation and engineered to maximum drop-in tolerances" this easy upgrade will improve the feel and performance of any 1911 pattern pistol. Minor fitting may be required.
Features:
CNC Machined from Billet Tool Steel
30 LPI Checkering
Extends 1/16 Further than Factory Release