RCBS Formula 1 Walnut Shell Media - 5lb / 2.26kg
If you want your brass coming out clean, smooth, and ready to reload without hassle, RCBS Formula 1 Walnut Shell Media is the workhorse that gets it done. It’s finely ground walnut designed to strip carbon, dirt, and residue fast in a vibratory tumbler, even getting into those awkward primer pockets and case necks. Chuck it in, let it run, and you’ll get consistently clean brass without overthinking the process.
-Nathan (Technical Advisor)
#1332
#1385
#1388
#1386
#1389
The RCBS Formula 1 Walnut Shell Media is a high-quality dry tumbling solution designed to deliver fast, effective cleaning of heavily soiled brass cases. Suitable for use in both sidewinder and vibratory case cleaners, this media is ideal for reloaders who want reliable results with minimal effort.
Made from finely ground walnut shell media, Formula 1 is processed to a 12/12 sieve size, allowing it to clean quickly while reaching into hard-to-access areas of brass cases. This ensures a thorough clean that prepares cases perfectly for the next stage of reloading.
Supplied in secure, easy-to-store packaging, the media is simple to handle and long-lasting. Each pack also includes one packet of RCBS polishing compound, helping to enhance the final finish of your brass for a cleaner, brighter result.
-
Finely ground walnut shell media formulated specifically for fast and effective brass cleaning
-
12/12 sieve size for efficient removal of dirt, carbon, and residue from heavily soiled cases
-
Compatible with sidewinder and vibratory case cleaners, offering versatile use across different setups
-
Excellent at reaching hard-to-clean areas, including inside case necks and primer pockets
-
Ideal for routine and heavy-duty brass cleaning, helping prepare cases for consistent reloading
-
Supplied in secure, durable packaging that is easy to store and handle
-
Includes one packet of RCBS polishing compound to improve brass brightness and overall finish
-
Long-lasting and economical, providing reliable performance over multiple cleaning cycles
- RCBS Formula 1 Walnut Shell Media
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE
COURIERS
 |
 |
 |
 |
We use DPD , RoyalMail, TNT and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number. We are unable to add delivery notes to your order regarding safe spaces or neighbour deliveries. If you require this service it can be arranged directly with the courier once the parcel is in their network.
IN-STORE ITEMS
These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.
PRE-ORDER ITEMS
These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.
INTERNATIONAL DELIVERY & TAXES
In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.
NEED HELP?
If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk
-
A NOTE ABOUT DPD SHIPMENTS:
- Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
- If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
- The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
- Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
- Please view the attached slides HERE for further information!