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The UK's favorite GENUINE .50 Cal Bullet Bottle Opener Is Here, And It's Better Than Ever!
A true icon - the .50 caliber BMG round has Stood the test of time through the better course of a century. What better way to treat yourself or a friend than with one of these beautifully engraved bottle openers?
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Go Beyond Just A Bottle Opener. You Deserve The Best!

There’s No Better Way To Start A Party Than To Crack Open A Cold One With One Of These Beauties.

Using only real once fired .50 calibre brass, we professionally machine cut, laser engrave and hand polish each one, then reload a genuine military grade FMJ projectile.

See what our customers are saying...


“Great product. Quick delivery. Bought for a present and they absolutely loved it. Works great as a bottle opener and certainly attracts attention.
Really helpful customer service, too.”


“Just wonderful!! The bottle opener exceeded my expectations, it’s sturdy and larger than what I thought it would be, and the engraving gave it that personal touch! Can’t recommend enough!!”


“Fantastic product and beautifully packaged!
Would definitely recommend. Something really unique. I would highly recommend this company and their products”

choose between two unique finishes

our .50 cal bullet bottle openers come in two distinct finishes. the battle-scarred brass version is finished with a forced patina giving a natural, rugged look.

the polished brass version is machine polished and buffed giving it an amazing gold look.

fully customisable

With personalised engraving, you can put a name, logo, insignia, or add a short personal message making it a great gift for birthdays, Father’s Day or a best man present.

engineered to perfection!

Our unique bottle opening groove has been specially designed and perfected over the years to open your beer first time, every time from multiple angles, making your life easier!

A photograph of an abundance of bullets


We only use genuine .50 cal FMJ copper projectiles, and real, once-fired brass casings in our bullet bottle openers to ensure authenticity and the best in quality!

Frequently Asked Questions

We are a small team of proudly serving Police Firearms Officers operating in the UK. We work closely as a team both in uniform and in the Custom Calibers workshop, where we work hard to deliver the very best in bespoke, handmade gifts. Our dedication to this mission is unrivalled, making us and our products among the best in the field! Don’t just take our word for it, though. Check us out on TrustPilot and see for yourself.

Please clearly indicate what you want engraved on each of your items in the appropriate box when placing your order. DO NOT send this via email as it may get missed.

You get FREE text engraving on the front of your new bullet bottle opener included.

Additional engraving charges for logo engravings and extra text engraving will be applied automatically at the checkout page. You can delete these from your basket if not required.

If you would like to customise your new bottle opener with a logo engraving like the examples shown please make sure the LOGO engraving fee is purchased and your desired logo is uploaded to your order at the checkout page.

Custom Calibers will spell EXACTLY as you indicate. ARMY STENCIL font will be used for all text engraving in ALL CAPS and will be engraved in the same font size. E.g, if you request “Custom Calibers” you will receive “CUSTOM CALIBERS”.

Custom Calibers try not to put a character limit on my products as each different type varies in size, but the longer the text the smaller the engraving will look. Be sure to double check spelling!


Our Bullet bottle openers are made from real and 100% genuine once-fired bullet casing. We then machine cut the bottle opening groove, laser engrave your customised details and re-load a brand new, FMJ copper projectile with a manual loading press.

All of our items are handmade to order by Custom Calibers, so items will not look 100% identical. An order placed this month might vary from an order placed last month. If you need your engraving to look the same for a wedding order or for multiple gifts, please order them at the same time.

Custom Calibers strive to offer first class customer service and want every customer to be happy with their purchase. Should you for any reason not be satisfied, please contact us within 5-7 business days of receiving your order.

Our Current lead time is 5-7 Business Days. Lead Time + Shipping Time = How long it takes for your order to arrive.

If you have a personal or specific deadline in mind (a birthday or anniversary) PLEASE let us know either before you place your order or in the Customer notes section at checkout and we will do our best to meet this deadline for you. This does not include your obvious public holidays like Christmas!

Once your order is shipped, expected shipping times are:
Within the U.K: 2-4 business days (Royal Mail 1st Class)
Outside the U.K: 1-2 Weeks (FedEx or ParcelForce International)

*50 Cal Bullet Bottle Openers ordered to American addresses will have to be sent via recorded UPS (5-7 working days) as most other couriers do not allow such items to be sent via air due to prohibited item restrictions. *

Please note if your order falls on a postal holiday, it will be sent the next business day.

buying one as a gift?
we have the pefect gift box avaliable.
the .50 cal BMG Bullet Bottle Opener!
a polished brass .50 caliber bullet bottle opener deep etched with the royal anglian cap badge on

We Give You Our Word

Everyone at Custom Calibers have worked tirelessly to make you a product to be proud of. We want you to love and flaunt your new purchase to everyone around.
We stand by every product we make and want you to have complete confidence when shopping with us. If you aren’t satisfied with your purchase, we promise to resolve the issue for you by way of an exchange or replacement.

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