Retro Arms's Hopup Nub for the Retro Arms Hopup Unit.
Also compatible with any Hopup unit using a standard Hopup Arm.
Ships within 7 business days. Free shipping over $150.
Need it sooner? Contact us before ordering and we’ll tell you exactly what’s in stock.
More in our Shipping Policy and Refund Policy.
All sales on parts and accessories are final once shipped. Defective or damaged on arrival? Contact us right away and we’ll make it right under the KA Tech Warranty or applicable manufacturer coverage.
Returns follow our Refund Policy. Shipping details are in our Shipping Policy.