New style Spring Loaded Bearings (SLB) used in all current issue 40 S&W, 357 Sig and 45 GAP Finger Grip & Rail (FGR) frames. The SLB 3439 is shorter than the original SLB and cannot be used with the old style extractors.
Glock OEM parts and accessories are made with the same attention to detail and quality as the ultra-reliable pistols. From firing pins to trigger springs, nothing keeps your Glock running like OEM parts
- Factory Reliability
- Quality Construction
- Consistent Performance
- Fits Glock 22, 23, 27, 35, 24, 31, 32, 33, 37, 38, 39
Not compatible with Models w/ old style extractors / Glock 42/43
