Description
This service modifies the A1 style barrel extension to fit the MR223 A5 upper receiver. We also remove the MR556 carrier block tab in with this service. This works in real, German HK upper and the US made HAUS A5 upper. Price includes labor, machine work and return USPS shipping for a stripped, upper and barrel. Send us the A5 upper, your barrel and barrel nut, we will modify it and install the barrel into the upper. 1-3 week lead time. Contact us for options and questions. You will receiver shipping instructions within 24 hours of your order. 1-3 week lead time.
We do offer a discount code for purchasing multiple services at once, contact us for more info.
Please refer to our terms and conditions page fore cancelled order and return policies.
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