Return to POLYMER80 76% FRAME AND MAS DEFENSE COMPLETE RAIL KIT COMPACT G19 / G23 - BLACK

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Polymer80 76% Frame And MAs Defense Rails July 4, 2026 : Matthew Hawk from Harrison, AR United States   The quality of the lower was excellent. The MAS  Defense rails were also great quality, well designed and well manufactured. Was this review helpful to you?

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Amazing quality April 25, 2026 : J C from Twin Lakes, WI United States   Build quality is great, and the grip is what Glock should have done from the factory on the gen3 Was this review helpful to you?

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Glock 19 gen 3 frame April 22, 2026 : Alex Rosales from United States   Love the texture, Love how it’s built, it came with the locking blocks and everything in the picture, good for the price, good piece Was this review helpful to you?

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March 30, 2026 : Brandon Williams from Pendleton, KY United States   Fast shipping, frame as expected, but the rails and locking block are the first I've gotten that actually worked without modification. I was pleasantly surprised. Was this review helpful to you?

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March 23, 2026 : from Pikeville, TN United States   all good, good product, quick delivery, Was this review helpful to you?

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March 15, 2026 : Joseph Lewis from Ridgway, PA United States   Got exactly what I ordered with fast shipping.  Very helpful people when it came to helping me select the frame for a build project in the works.  Great sale price too.  Definitely be buying more parts from Mas Defense. Was this review helpful to you?

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Rediscovering a Passion Thanks to MAS Defense March 12, 2026 : Devil Dog from United States of America   Firearms and marksmanship have always been a passion of mine. As a medically retired Marine living with service-connected disabilities, finding hobbies I can still enjoy with limited mobility has been challenging. I’ve always been a gearhead and used to love working on cars and motorcycles, but that kind of work has become very difficult physically. After researching firearm builds, I decided to give it a try and was immediately hooked. It lets me work with my hands again, learn new skills, and build something myself. Every product I’ve ordered from MAS Defense has exceeded my expectations. The quality is excellent and their turnaround times are impressive. Thank you MAS Defense for the great products and service, and for helping me rediscover a hobby I truly enjoy. Semper Fi Was this review helpful to you?

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excellent like bill and teds great guys there February 3, 2026 : Rod Zapa from Tucson, AZ United States   awesome so far so good want to continue business patronage with MAS Defense Was this review helpful to you?

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January 25, 2026 : Bryan Crowell from Russell, KS United States   Was this review helpful to you?

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Frames came in SUPER FAST! January 18, 2026 : from Minnesota   Shipping was super fast, like 4 business days, both frames were just put in a yellow bubblewrap envelope instead of a box. Would not be cool if the envelope broke open during shipping!! Was this review helpful to you?