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Home » Accessories & Parts » Hop-Up Buckings

Prometheus Air Seal Chamber Hop-Up Bucking For Airsoft AEGs
(Model: 70 Degrees)

ID: 31082 (BU-Prom-Hard)
4582109580462
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Laylax

$16.00

Model Options:
Model50 Degrees
Model70 Degrees

Description

Specs

Reviews

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Product Description

Features

  • Offers improved compression and feeding compared to OEM buckings
  • Recommended for all Prometheus precision tight bore inner barrels. Suitable for varieties of precision AEG inner barrels
  • Improves accuracy and range
  • Durable construction

Manufacturer: Prometheus

View official Evike.com article here!

NOTE: Varying elevation, humidity, temperature, and overall climate can drastically affect BB performance. Please keep this in consideration when choosing a bucking type and firmness, along with the appropriate BB weight for your desired effect

MAINTENANCE: For best maintenance, please replace your bucking every 20,000 rounds, or when accuracy and performance begin to become extremely inconsistent. Use silicone spray lightly on the exterior of the bucking for easier installation. Be careful not to get any oil, silicone, or grease on the inside of the bucking or barrel, as it may affect performance

43 Customer Reviews

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by Omar B. on 09/27/2025
"In a world of flat hops and maple leafs, I understand why people like this bucking. I didnt buy one technically but the soft purple one came installed in a echo1 m14 I bought. Dang does this thing perform. I did switch to a 60 degree mr.hop and got better results, HOWEVER in my lct g3, I had trouble getting the maple leaf to center. I thought I'd repurpose this prommy into that. Oh man for a standard bucking its really nice. With 0.28g it almost matches the accuracy and range of the maple leaf. Some other less expensive options are the madbull blue, or a fresh g&g green, which are good but not as good as this prommy one. Overall I would recommend if you dont like to mess with special buckings.
by Eli M. on 01/28/2025
"Great Bucking. Easy installation and improved my hop-up dramatically. hops .32s easy now.
by Levi G. on 12/09/2024
"I have used dozens of these buckings over the years and they never fail to perform great
Well worth it, try them out

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Laylax

About Laylax

Providing products in the Japanese market for the better part of 20 years, Laylax is well known for their high manufacturing quality and precise tolerances. Their tried and true parts and accessories have led them to be the leader in Japanese airsoft engineering.