Description
Redding has built a reputation among handloaders for dies that just plain measure up, and the #91155 full length sizing die for .308 Winchester is a perfect example. This single die resizes the entire case, bringing fired brass back down to proper chamber dimensions, and removes the spent primer in the same pull of the handle. It covers both .308 Winchester and .307 Winchester, since the two share the same case body with the .307 simply being the rimmed version, so you get a little extra versatility built right in.
Inside the die you'll find a complete decapping rod assembly: a decapping rod, a size button that sets consistent neck tension as the case is withdrawn, and a decapping pin that pushes out the old primer. Everything works together in one smooth operation, which is exactly what you want when you're running a batch of brass. The die is cut with the standard 7/8"-14 thread, so it threads into any common reloading press without fuss.
What the Redding 308 Full Length Die Does on Your Bench
Full length sizing is the go-to choice when you want ammo that chambers reliably across different rifles or after brass has been fired a few times and grown out of spec. This die squeezes the body and neck back down and sets the shoulder, so rounds drop in clean every time. It's a smart pick for semi-autos, lever guns, and anyone who wants fuss-free feeding. Keep in mind that case lube is required when full length sizing, so a good pad or spray lube is worth having nearby.
Why Handloaders Keep Reaching for Redding
These dies are machined to tight tolerances, heat treated, and polished to a fine finish, which is what gives them that slick feel and long service life. Plenty of reloaders will tell you Redding is their first choice when it comes to quality dies, and the #91155 lives up to that. It arrives in a protective plastic storage case to keep it clean and dinged-free between loading sessions.
Key Specifications
- Manufacturer: Redding
- Manufacturer Part Number: 91155
- UPC: 611760911552
- Cartridge: .308 Winchester / .307 Winchester (7.62 NATO case body)
- Die Type: Full Length Sizing Die
- Die Style: Conventional
- Bullet Diameter: 0.308
- Thread: 7/8"-14
- Material: Steel, heat treated and polished
- Internal Assembly: Decapping rod, size button, decapping pin
- Case Type: Bottleneck
- Country of Origin: United States
What’s Included
- Redding #91155 full length sizing die
- Decapping rod assembly (decapping rod, size button, decapping pin)
- Plastic storage case
Frequently Asked Questions
What does the Redding 308 Winchester full length sizing die do?
It resizes the full length of a fired case, bringing the body, neck, and shoulder back into chamber spec. In the same stroke it removes the spent primer using the built-in decapping pin. The size button inside also sets consistent neck tension as the case is pulled back out of the die.
Do I need case lube with this full length sizing die?
Yes, case lubrication is required for full length sizing. Running cases through dry can cause them to stick, so apply a thin, even coat of pad or spray lube before sizing. Wipe the lube off once the brass is sized and you're good to go.
Will the #91155 die work for both .308 Winchester and .307 Winchester?
It does. The .307 Winchester is essentially a rimmed version of the .308 case, so they share the same body dimensions and this die handles both. Just note the two cartridges use different shell holders, so make sure you have the correct one for your brass.
Does this die fit standard reloading presses?
Yes, it uses the common 7/8"-14 thread found on the vast majority of single-stage and turret presses. It threads right in and sets up like any standard rifle die. You'll want a shell holder and press that match the .308 Winchester cartridge.





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