Rival Arms RARA50M201S Guide Rod Assembly Guide Rod Assembly Stainless Steel for S&W M&P-9 (4.25") Binoculars use a more open choke

use a more open choke tube for optimum patterning

The see-through tunnel and slot-cut design reduce weight while maintaining durability

While end user modification is minor and may be attempted

S&W Multi-Tool features a needle nose plier

Rival Arms RARA50M201S Guide Rod Assembly Guide Rod Assembly Stainless Steel for S&W M&P-9 (4.25") Binoculars use a more open chokeExperienced shooters realize plastic guide rods can chip, crack, or break resulting in feeding or ejection failures, flex can also contribute to accuracy problems. Rival Arms Guide Rod Assemblies address all of these issues and will provide you a lifetime of reliable service.