SKU: 56361535897

VSR Concave Bucking 40º (Black)

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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
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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]
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SKU: 56361535897

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4.1 ★★★★★
Based on 10 reviews
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Product Reviews
V
Verified Purchase
valisreading_
Whiting, US
★★★★★ 4
A down bad MMC that doesn't give up. LOVED IT!
Format: Kindle
I love a down bad MMC and Lucky Beneventi was it and more!!!! I loved the love he had for Lexi and how willing he was to fight for them and give their relationship a try. But I could also understand why Lexi didn’t want to risk it. She knew that her cystic fibrosis diagnosis gave her no guarantee of how many years she'd live and she didn’t want to hurt Lucky. But seeing Lucky not giving up and showing her how important and worthy their love was, no matter the time left? It was beautiful!!!!! And that ending and bonus epilogue? My heart!!!!!! I loved it so much!! I do wish we could’ve had more time with them dating and being happy because I did feel we spent more time with them fighting their attraction and then Lexi fighting what they felt for each other. Also, there were A LOT of characters so it got a bit confusing trying to understand who was related to whom (so I guess at some point I will eventually go back and read the other series). However, keeping my focus on Lucky and Lexi helped me enjoy the story more. Sweet Temptation is a fantastic beginning to the Love and Legacy series. It was definitely more heart wrenching than I was expecting but I adored the love story, the main characters' connection and how they got their HEA. Tropes: -Good girl x bad boy vibes -Football player -Baker -Childhood friends to frenemies to lovers -FMC has a chronic illness -It’s always been you -Down bad MMC -No third act break up -Brother’s best friend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
C
Verified Purchase
Colleen S
Omaha, US
★★★★★ 5
This book was great!
Format: Kindle
This book was absolutely amazing! I loved the relationship between Lexie and Lucky. I loved how Lucky was soo sweet with Lexie and how he knew he loved her from when they were kids. I felt horrible Lucky thought he caused her to be sick when they were kids and he lived with that guilt his whole life. The writing in this book like all of her books was great. Im addicted to this world and this crazy large family. I cant wait to read the next book in this series! The duet audiobook narration was fantastic! The narrators did a wonderful job bringing this book and their characters to life! Tor Thom and Andi Arndt were incredible! I would highly recommend this book and audiobook.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
L
Verified Purchase
Lisa T.
West Palm Beach, US
★★★★★ 3
Chronic illness rep
Format: Kindle
One of the things I love about Bella Matthews is that they are short and spicy, but long enough to develop the characters and have a overall plot with some subplots...that are little breadcrumbs for future books. However, this book didnt seem long enough to convey the enormity of cystic fibrosis. The pacing bounced around and I just didnt have the opportunity to really connect with the characters. I have read EVERY book by this author and LOVE how all of her books are interconnected. The family tree at the beginning is helpful to keep track of who is related to who.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
B
Verified Purchase
Bookish Fancy Nancy
Carnegie, US
★★★★★ 5
Lucky and Lexie Will Break and Heal Your Heart
Format: Kindle
Oh my heart… Lucky and Lexie’s story was everything I hoped for and more. Sweet Temptation, the first book in Bella Matthews’ new Love & Legacy series, is a heartfelt and emotional return to Kroydon Hills. From the very first chapter, I was pulled back into a world filled with witty banter, swoony moments, and characters that feel real and memorable. Lexie Sinclair has spent the last year in Paris pursuing her culinary dreams. Living with Cystic Fibrosis, she has accepted that love isn’t something she can allow herself. She doesn’t want anyone to experience the pain of losing her, so she keeps her heart guarded. Her determination to protect herself and others broke my heart more than once. Lucky Beneventi is the star quarterback, a known flirt, and her brother’s best friend. Lexie has always been his sweetest temptation, and now that they’re adults and living under the same roof, their connection is impossible to ignore. Their chemistry has been building since childhood, and when they finally give in, it’s intense and emotional. Bella Matthews blends humor, tenderness, and heat beautifully, making every moment between them feel earned. Lucky’s quiet protectiveness and devotion made me fall in love with his character. He stands by Lexie even when she tries to push him away. Lexie’s journey is raw, honest, and deeply emotional. Her strength and vulnerability are written with care, and there were several moments that genuinely moved me. Bella Matthews also delivers wonderful family dynamics. Seeing familiar Kroydon Hills characters as parents added a layer of nostalgia that fans will love. Sweet Temptation is the perfect mix of heart, humor, and heat. It’s emotional, romantic, and hard to put down. This story made me laugh, swoon, and tear up more than once. Bella Matthews has delivered a beautiful romance that lingers long after the final page.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025
S
Verified Purchase
Sonya
Belleville, US
★★★★★ 4
"It's a promise wrapped in a threat, and she doesn’t know it" ARC
Format: Kindle
I can always count on Bella Matthew’s books to have found family, a strong FMC, delicious spice and to make me laugh & cry in the same chapter. Sweet Temptation is no exception! Lexie & Lucky have grown up together. Lucky plays pro-football & lives with Lexie’s brother Lincoln. Lexie is back in town, needs a place to stay, insert our favorite forced proximity trope! Lexie doesn't want a relationship, she firmly believes that's selfish because she has cystic fibrosis and doesn’t want to cause her loved ones pain someday. She’s also the first and only girl Lucky hasn’t tried to chase… There’s wonderful banter & tension and then finally we get “one night lucky.. It's a promise wrapped in a threat, and she doesn’t know it” I loved Lexie’s mom & Lucky’s sister for standing up for their relationship & dropping the truth bombs those around them needed to hear. Lucky’s mom for telling him, grand gestures don’t mean sh*t, when you take away her right to choose what she wants. If you love banter, group texts, spice, football romance, forced proximity -- definitely recommend this book! Can't wait to read more of this second gen.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 24, 2025

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