BeastPro UPGRADE: M4A1 GEN8 Stainless Steel Cylinder + Gifts KIT

  • Sale
  • Regular price $21.99

We have done all the hard work and spent a lot of money in research for you and these parts that I am now selling are the best and will be the right type of upgrade that will give you the best benefits.

This cylinder is the 1 to 1 size

We will send either RIBBED or UN-RIBBED cylinder which ever is on hand

Less friction on your o'ring means more RPS ... Less wear ... lighter and lets face it it looks shit hot!

Bonus: Comes with oversized o'ring ++ cylinder to outer high quality o'ring seal ++ Spring Cushion

# M4A1 Stainless Steel Cylinder + Bonus shock stop and orings (will ship ribbed stainless if polished it out of stock)