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The MCU wire harness is intended for use with REV3 FCU's that feature the built in MCU (Motor Control Unit) for running the replica's box magazine
It also has a microswitch on the back which interfaces with the rifle's selector controls
you can install a spacer in-between the rear of the engine and the receiver to push the engine forward when the buffer tube is tightened down
• 100% Turbo Acrylic
Because the alignment is now built into the Direct Attachment front cylinders
Polarstar (GRY LOGO) Short-Sleeve T-Shirt Size:3XL The MCU wire harness isThis thick cotton t shirt makes for a go to wardrobe staple! It's comfortable, soft, and its tubular construction means it's less fitted. 100% ring spun cotton (heather colors contain polyester) Fabric weight: 4. 5 oz (153 g m2) Pre shrunk Shoulder to shoulder taping Double stitched sleeves and bottom hem This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products