Stealthy Elegance: 300 Blackout Cartridge Keychain
Our 300 Blackout bullet keyring is made from a real once-fired round, resized to full length with a seated bullet, and comes on a swivel pin or as an inert display round.
Exploring the Versatility of the 300 Blackout Bullet
The 300 Blackout cartridge, also known as 300 BLK or 7.62x35mm, has become a standout in the firearms world due to its unique characteristics and dual-purpose design.
Origin and Purpose:
Developed by Advanced Armament Corporation, the 300 Blackout was created to excel in short-barreled rifles and suppressed firearms, offering seamless transitions between subsonic and supersonic loads.
Dual Functionality:
The 300 Blackout’s key feature is its adaptability. Supersonic loads provide comparable performance to the 7.62x39mm, while subsonic options make it an ideal choice for suppressed firearms, reducing noise signatures for stealthy operations.
Compatibility and Adaptation:
One of its strengths is compatibility with existing AR-15 platforms. A simple barrel or upper receiver swap allows AR-15 owners to convert their rifles to fire 300 Blackout rounds, contributing to its widespread popularity.
Bullet Variety:
With a range of bullet weights from 78 to 240 grains, the 300 Blackout accommodates diverse needs, whether for hunting, target or precision shooting.
Hunting Edge:
Proven effective for hunting, especially in scenarios where reduced firearm noise is crucial, the 300 Blackout stands out as a reliable choice.
Swivel Pin or Inert Round
- Swivel pin – through the primer pocket, so the round turns freely on your keys
- Inert round – no attachment, for display
The 300 Blackout uses a .223 / 5.56 case cut down and necked up to take a .30 calibre bullet, which is why it fits the AR-15 platform. Related rounds: 5.56×45 NATO, .223 Remington and the 7.62×39 AK47 – the round its supersonic loads are often compared with.
300 Blackout Keychain
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FAQ
Q: Is it a real 300 Blackout round? Yes – a genuine once-fired .300 AAC Blackout case with a seated bullet, made fully inert.
Q: What is 300 BLK? Another name for the 300 Blackout – also called 7.62x35mm.
Q: Is there a split ring option? No – choose a swivel pin or an inert round.
Q: Is it safe to carry? Yes. It contains no powder and no live primer, and is legal to own and carry in the UK without a licence. Always check with your airline before travelling abroad with this item.
Q: How big is it? About 57 mm long – see the Additional information tab for full specifications.
Q: Can it be engraved? Yes – see our laser engraving page.
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