--- title: "RCBS 300 Win Mag Full-Length Die Set" description: "Full-length die set for 300 Win Mag bottleneck cases. Includes sizing and seating dies with a built-in roll crimp and standard 7/8\"-14 thread." canonical_url: "https://www.kygunco.com/product/rcbs-15301-f-l-die-set-300-win-mag" meta: author: KYGUNCO "og:description": "Full-length die set for 300 Win Mag bottleneck cases. Includes sizing and seating dies with a built-in roll crimp and standard 7/8\"-14 thread." "og:image": "https://cdn.kygunco.com/assets/products/89497/thumbnail.jpg?v=1713459303" "og:image:height": "500" "og:image:width": "500" "og:title": "RCBS 300 Win Mag Full-Length Die Set" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Ammunition](https://www.kygunco.com/category/ammunition) / [Reloading Ammunition](https://www.kygunco.com/category/ammunition/reloading-ammunition) / [Reloading Presses & Kits](https://www.kygunco.com/category/ammunition/reloading-ammunition/reloading-presses-and-kits) / RCB-15301 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/89497/main.jpg?v=1713459303) For illustration purposes only, this image may not be an exact representation of the product. # RCBS F L Die Set 300 Win Mag RCBS full-length die set for 300 Win Mag bottleneck cases. Includes a Full-Length Sizer Die with expander-decapping unit and a Seater Die with bullet seater plug and built-in roll crimp. Sized to SAAMI minimum cartridge dimensions with vents to help prevent case damage during sizing. $47.93 ** 4 interest-free payments of **$11.98** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Selling fast. Limited quantities available. Item # 89497 Style RCB-15301 UPC 076683153012 Condition New Manufacturer [RCBS](https://www.kygunco.com/brand/rcbs) Weight 2 lb ### RCBS F L Die Set 300 Win Mag These two die-sets are intended for reloading bottleneck cases, and consist of a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Bullet Seater Plug. The Full-Length Sizer Die brings the case to SAAMI minimum cartridge dimensions. This die sizes the outside of the case, de-primes, and expands the neck to accept the bullet. The die has vents to prevent case damage caused by trapped air and excessive lubricant. Headspace is held to minimum tolerances to avoid changing the case body length during full-length sizing. The included Seater Die has a built-in roll crimper to secure the bullet at the same time as it's seated. **SPECIFICATIONS** - Standard 7/8"-14 Thread - Proprietary Die Steel - Set includes Full-Length Sizing die and Bullet Seating Die - Sizing die brings cases to SAAMI minimum cartridge dimensions - Ships in Green Die Box ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from RCBS ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/rcbs-15301-f-l-die-set-300-win-mag#webpage","@type":"WebPage","description":"Full-length die set for 300 Win Mag bottleneck cases. 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