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Home » Accessories & Parts » Hop-Up Buckings

APS Replacement Hop-Up Bucking for APS X1 Xtreme G-BOX Gas Blowback Airsoft Rifles

ID: 66010 (HU-APS-X021)
X021
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APS

$9.95 $4.99

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Description

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Product Description

Features

  • Durable rubber construction
  • Factory direct OEM replacement part
  • Drop-in design requires little to no modifications to fit

Manufacturer: APS

1 Customer Review

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by Yushiyya P. on 12/01/2025
"This is a 70° NBR bucking with a "H" hold patch, designed to mimic aftermarket buckings. Can hop up to .40g bbs in my personal testing and use case. I run .32s and .36s in my G-Box with this bucking with accuracy/range that performs on par with Angel Custom and PDI "W" and "V" hold buckings.

The theory of the "H" patch: a center mound that applies Magnus effect, and 2 side stabilizer fins to align the bb correctly in the barrel and ensure angle of spin so the bbs does title left or right during the application of Magnus effect.

If you're concerned about G-Box compatibility with other buckings just grab a pack of these to keep you going.

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APS

About APS

APS Limited, formerly known as APS Airgun Ltd was established in 2001. APS started by specializing in designing and building Simulation Training Equipment (Real Action Markers & Powder Balls for training simulation). APS - the three words stand for Accuracy - Pneumatics - Shooting. With their knowledge and experience that has been gained from making Real Action Markers and Projectiles, APS launched a new product line - Electronic Blow Back (EBB) products to spur the current Airsoft Market. Since entering the Airsoft industry their line of Airsoft rifles, pistols and accessories have been incredibly popular.