SKU: 56361535897

VSR Concave Bucking 40º (Black)

Sale price$9.89 Regular price$10.99
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

VSR Concave Bucking 40º (Black)Material: Silicone rubber Hardness: Shore A40 (black) Compatibility: VSR 10 chamber Only works with Airsoftphilosopher barrels. Recommended FPS: 200600 fps (equivalent to 0. 4 3. 3 joules) Perfect fit in the Airsoftphilosopher hop up window Having a high quality, properly cut inner barrel inside your airsoft replica is important, but even more important is their compatibility with each other. If the cut does not perfectly match the hop up window of

Material:

Silicone rubber

 

Hardness:

Shore A40 (black)

 

Compatibility:

VSR-10 chamber

Only works with Airsoftphilosopher barrels.

 

Recommended FPS:

200–600 fps (equivalent to 0.4 – 3.3 joules)

Perfect fit in the Airsoftphilosopher hop-up window

Having a high-quality, properly cut inner barrel inside your airsoft replica is important, but even more important is their compatibility with each other. If the cut does not perfectly match the hop-up window of the barrel, or if the chamber applies downward pressure in the wrong place, the hop-up bucking cannot reach its full potential.

That is why we carefully design our products to achieve the best possible results when used in the correct setup.

As shown in the image, the patch covers the entire length of the window, while still leaving a small gap so the patch can move up and down without tension. Even the barrel edges are chamfered for longer service life and sufficient space for downward movement.


Designed for Maximum Performance

The concave bucking is designed to reach the physical limits of accuracy and range. It provides a 6.6 mm long contact patch to perfectly guide the BB and apply precise backspin.

The best results are achieved with the Airsoftphilosopher VSR chamber or the Maxx Model AEG chamber with a concave nub.

Note: Most chambers are not designed for large hop-up windows and bridged barrels. Make sure that the hop-up arm and nub apply pressure in the correct position.


Perfect air seal

Each hop-up bucking has two main tasks:
Applying perfect hop and providing an air seal.

Therefore, the feeding lip of the Airsoftphilosopher concave bucking is tighter than other buckings to provide a perfect air seal. The special design reduces feeding issues.

Additional 3D printing on the exterior improves the tight fit inside the chamber.
(Each chamber has slightly different dimensions, so if the air seal is not optimal with your chamber, wrap one or two layers of Teflon tape around the outside.)

Specially developed material

The durable silicone rubber is designed to create perfect friction between the BB and the bucking. The large contact area of the patch allows you to use a very soft bucking that creates a perfect air seal and is still capable of lifting heavier BBs.

Due to the special compound, the silicone rubber has greater compression stability and reliably returns to its original position even after prolonged use.

 
Polished surface

Each bucking features a polished surface to provide maximum tolerance and consistency.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56361535897

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Marie33kl
Whiting, US
★★★★★ 5
They prevent leaks, and fit great!
We have always used Huggies diapers for our babies and young toddlers because they were the only ones that never leaked or caused a rash. My second daughter was fully potty trained at 2.5 years old and never needed pull-ups. However, our third daughter, who also trained at 2.5 years old, digressed with her nighttime potty training due to instability - we moved twice within the first 6 weeks after she potty trained. So we had to get pull-ups for her to wear at night. Obviously since we loved Huggies diapers, we tried Huggies Pull-Ups, and again, they did not disappoint! They never leak, even on nights when she doesn't get up to go at all, and has lots of pee, and they have never caused a rash either, no matter how full. She's been using them for 1.5 years, at night, and we have never had any issues. They are dependable: decently comfortable to the child, do not cause rashes, fit properly with the ability to adjust at the thigh (if needed), and they prevent leaks! I highly recommend them!
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Reviewed in the United States on January 19, 2025
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Kathy
Draper, US
★★★★★ 5
Price good
Size: 5T-6T, Unit Count: 80
Perfect for starters
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Dionne
Los Angeles, US
★★★★★ 5
No longer selling?
What happened to this pumpkin seed oil? It was amazing!
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Reviewed in the United States on May 15, 2026
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Yami
Lake Worth, US
★★★★★ 5
The best quality and most reliable diaper for toddlers!
Size: 4T-5T, Unit Count: 99
So far Huggies Pull-Ups have been the best for our toddler before we venture out of diapers! The quality is impeccable. Now when it comes to size, I preferably go up a size for our toddler, they seem to fit better and give my toddler comfort. These pull ups will last throughout the night without any leakage and we’ve had very few to none rashes. Also one of my favorite thing about the Huggies Pull-Ups is the way they make it easy to put and take off with the option of either literally pulling up which helps get these toddler’s ready for under garments but it also comes with the side attachments. So what put these on however works best for you!
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Reviewed in the United States on September 21, 2025
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Claire
Lowell, US
★★★★★ 5
Great diapers
Size: 4T-5T, Unit Count: 17
These pull-ups are great. They’re very soft and have a cute little Minnie mouse print on them. They’re great for the price. Luckily my daughter only needs them for bedtime, but they’re great because she can put them on and pull them up by herself. The brand is great, I’ve never had an issue with this brand before.
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Reviewed in the United States on April 14, 2026

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