20mm steel bolt carrier for Tokyo Marui MWS M4 GBB(2025 spec) Home>GBBR upgrades>20mm steel bolt carrier for Tokyo Marui MWS M4 GBB(2025 spec) 20mm steel bolt carrier for Tokyo Marui MWS M4 GBB(2025 spec) $ 329.99 – $ 359.99 NPAS Choose a npasFixed fpsNPAS installedClear 20mm steel bolt carrier for Tokyo Marui MWS M4 GBB(2025 spec) quantity Add to basket Check out with PayPal → SKU: N/A Categories: GBBR upgrades, Upgrades Share000 Description Additional information Additional information Weight 350 g Dimensions 200 × 23 × 30 mm NPAS Fixed fps, NPAS installed $ 39.99 Add to cart Quickview VOLANTE NPAS GBBR upgrades $ 39.99 $ 39.99 Add to cart $ 399.99 – $ 429.99 Select options Quickview Steel CNC MK27mod0 slide set for TM G19 gen3 Handgun upgrades, Upgrades $ 399.99 – $ 429.99 $ 399.99 – $ 429.99 Select options Sold out $ 149.99 Out of stock Quickview Winchester gas conversion kit GBBR upgrades, Upgrades For KTW/Dong san M1873 series FPS: 350~400 with green gas on carbine 270~300 with green gas on Randal $ 149.99 $ 149.99 Out of stock Sold out $ 129.99 Out of stock Quickview 7075T6 CNC nozzle for TM MWS GBBR(2024) GBBR upgrades, Upgrades $ 129.99 $ 129.99 Out of stock