$52.10
Availability: In Stock
The RCBS MatchMaster Full-Length Bushing Die Set for 300 Win Mag is built for handloaders who demand match-grade precision and consistency with every round. This three-die set combines RCBS's engineering expertise with features specifically designed to reduce variables and tighten your load tolerances—critical for long-range hunting, competition shooting, or any application where shot-to-shot consistency matters.
The full-length sizing die uses precision-machined neck bushings to manage neck tension uniformly across your brass. That controlled fit is the foundation of repeatable ammunition. The expander features a titanium nitride coating that cuts friction during the sizing stroke, which means smoother extraction, less brass buildup, and reduced neck stretch over multiple reloads—all things that add up to longer brass life and tighter groups downrange.
The MatchMaster seating die is where this set really stands apart. Instead of fiddling with bullets and risking crushed fingers or skewed seating, you place your bullet in the integrated loading window and raise the case to seat it. The window's bullet retaining system keeps everything aligned. The seating stem itself is micrometer adjustable, free-floating, and self-centering—meaning you get consistent, precise bullet seating without the guesswork. That's a serious ergonomic and accuracy advantage, especially when you're processing large batches for competition or precision hunting loads.
Whether you're a benchrest competitor, a long-range precision hunter, or a serious reloader who refuses to settle for mediocre ammunition, this die set gives you the tools to deliver match-quality rounds shot after shot.
| Product Name | RCBS MatchMaster Full-Length Bushing Die Set |
| Caliber | 300 Win Mag |
| Dies Included | 3 (full-length sizing die, expander, seating die) |
| Die Type | Full-length bushing sizing |
| Expander Coating | Titanium nitride |
| Seating Stem | Micrometer adjustable, free-floating, self-centering |
The RCBS MatchMaster set for 300 Win Mag includes three dies: a full-length sizing die with neck bushings, an expander, and a seating die with the integrated bullet loading window and micrometer-adjustable seating stem.
This set is specifically configured for 300 Winchester Magnum. If you reload a different cartridge, you'll need a die set matched to that caliber.
Precision-machined neck bushings apply controlled, consistent neck tension to each case, which reduces run-out and improves shot-to-shot consistency—especially important for precision rifle work, long-range hunting, and competition loading.
Yes. The integrated loading window and bullet retaining system let you place your bullet and raise the case straight up into the die, eliminating the fumbling and finger-pinching that comes with traditional seating dies. The free-floating, self-centering stem ensures the bullet goes in straight every time.
SKU: 115857287 • Width: 4.5in • Height: 1.7in • Depth: 5.9in • Weight: 1.48oz
Availability: In Stock
The RCBS MatchMaster Full-Length Bushing Die Set for 300 Win Mag is built for handloaders who demand match-grade precision and consistency with every round. This three-die set combines RCBS's engineering expertise with features specifically designed to reduce variables and tighten your load tolerances—critical for long-range hunting, competition shooting, or any application where shot-to-shot consistency matters.
The full-length sizing die uses precision-machined neck bushings to manage neck tension uniformly across your brass. That controlled fit is the foundation of repeatable ammunition. The expander features a titanium nitride coating that cuts friction during the sizing stroke, which means smoother extraction, less brass buildup, and reduced neck stretch over multiple reloads—all things that add up to longer brass life and tighter groups downrange.
The MatchMaster seating die is where this set really stands apart. Instead of fiddling with bullets and risking crushed fingers or skewed seating, you place your bullet in the integrated loading window and raise the case to seat it. The window's bullet retaining system keeps everything aligned. The seating stem itself is micrometer adjustable, free-floating, and self-centering—meaning you get consistent, precise bullet seating without the guesswork. That's a serious ergonomic and accuracy advantage, especially when you're processing large batches for competition or precision hunting loads.
Whether you're a benchrest competitor, a long-range precision hunter, or a serious reloader who refuses to settle for mediocre ammunition, this die set gives you the tools to deliver match-quality rounds shot after shot.
| Product Name | RCBS MatchMaster Full-Length Bushing Die Set |
| Caliber | 300 Win Mag |
| Dies Included | 3 (full-length sizing die, expander, seating die) |
| Die Type | Full-length bushing sizing |
| Expander Coating | Titanium nitride |
| Seating Stem | Micrometer adjustable, free-floating, self-centering |
The RCBS MatchMaster set for 300 Win Mag includes three dies: a full-length sizing die with neck bushings, an expander, and a seating die with the integrated bullet loading window and micrometer-adjustable seating stem.
This set is specifically configured for 300 Winchester Magnum. If you reload a different cartridge, you'll need a die set matched to that caliber.
Precision-machined neck bushings apply controlled, consistent neck tension to each case, which reduces run-out and improves shot-to-shot consistency—especially important for precision rifle work, long-range hunting, and competition loading.
Yes. The integrated loading window and bullet retaining system let you place your bullet and raise the case straight up into the die, eliminating the fumbling and finger-pinching that comes with traditional seating dies. The free-floating, self-centering stem ensures the bullet goes in straight every time.
SKU: 115857287 • Width: 4.5in • Height: 1.7in • Depth: 5.9in • Weight: 1.48oz