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A&K Cylinder Set for Systema PTW / CTW / STW M4 Series Airsoft AEG Rifles (Power: M140)

ID: 56369 (CY-PTW-QT01)
5.0 stars, based on 2 reviews
A&K Cylinder Set for Systema PTW / CTW / STW M4 Series Airsoft AEG Rifles (Power: M140)
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The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.


  • Precision CNC machined construction
  • High quality aluminum and steel parts
  • Fully assembled cylinder set
  • Vacuum piston design for flexible airtight adjustment and stable velocity
Compatibility: For Systema, A&K, PTW, CTW, STW and compatible Airsoft AEG rifles
FPS Range 490-500 FPS with 11.1V 5000mAh
Material: Aluminum, steel, polymer

Manufacturer: A&K

About A&K

A&K has been in business for more than a decade, boasting a huge selection of popular rifle models as well as unique platforms; Machine Guns, SMGs, DMRs, and even WWII replicas. A&K provides a great lineup of Airsoft products at a great value.

2 Customer Reviews

(Write a review)

by Kenneth L. on 06/13/2017
"I finally decided to order it because I got tired of my local indoor CQB calling me out for capping at 350fps. I got it and inmeditely tried it out, upon firing it sounded way too soft. I loaded a mag and it wouldnt pass 20ft lol. I cleaned it, lubed it, give it another try and started shooting between 280-310fps.

Its a cheap after market aside from a true Systema cylinder but at least gets the job done at the moment. My original lasted a year, so I'm expecting this one to last a year at least.
by Kenneth L. on 11/26/2015
"When I got my A&K PTW Zombie Killer edition (only one available at the time), it came with a M130 which is WAY too powerful to use on your normal outdoor fields. After I cleaned the cylinder it was shooting at 428-436FPS which is not bad, but I would use this cylinder if I'm going to install an Orga 6.10 inner barrel. The cylinder is built like a tank, but I would recommend using specific PTW tools instead of channel locks :P

CANNOT use regular AEG springs if you want to bring the power down for indoor CQB, gotta buy everything PTW specific. For all PTW parts look at Redwolfairsoft for any parts if you cannot find it here in Evike's site.

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