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POLYMER80 76% FRAME AND MAS DEFENSE COMPLETE RAIL KIT COMPACT G19 / G23 - BLACK
POLYMER80 80% POLYMER LOWER RECEIVER GLOCK 19 FITMENT - BLACK - P80-PF940CV1-BLK GCA COMPLIANT 76% FRAME POLYMER80 80% FRAME AND MAS DEFENSE COMPLETE RAIL KIT COMPACT G19 / G23 - BLACK - CV1 - PF940CV1 - BKC - FKC - G19 - GLOCK 19 - 19 FRAME
 
MSRP: $150.00
Our Price: $129.99
SALE PRICE: $89.99

Stock Status: In Stock


Product Code: P80-FKC76M-BLK

Frame #1


Rail Kit #1


I UNDERSTAND AND AGREE:

  I AM 21 YEARS OF AGE OR OLDER.

  MY SHIPPING ADDRESS IS NOT LOCATED IN ANY OF THE CITIES OR STATES LISTED BELOW.

  MY BILLING ADDRESS MATCHES MY SHIPPING ADDRESS. ***NO EXCEPTIONS!

  ORDERS CONTAINING 76% OR 80%'S CANNOT HAVE ANY OTHER PARTS INCLUDED IN THAT ORDER.

  I AGREE TO EMAIL A COPY OF MY LICENSE AND CREDIT CARD IF REQUESTED.

  A 15% CANCELLATION FEE WILL APPLY IF WE HAVE TO CANCEL YOUR ORDER.

Qty:  
DESCRIPTION
 
*** YOUR BILLING AND SHIPPING ADDRESSES MUST MATCH.***

*** THE NAMES ON THE CREDIT CARD, BILLING AND SHIPPING ADDRESSES MUST MATCH.***

A 15% CANCELLATION FEE WILL BE CHARGED IF WE HAVE TO CANCEL YOUR ORDER.

*** Absolutely NO sales of unfinished frames to the below states or cities within the listed states:


- California
- Colorado
- Connecticut
- Delaware
- District of Columbia - Washington DC
- Hawaii
- Illinois
- Maryland
- Massachusetts
- Michigan City: Detroit
- Nebraska City: Omaha
- Nevada
- New Jersey
- New York
- Oregon
- Pennsylvania City: Philadelphia
- Rhode Island
- Vermont
- Washington

The list of states above may not include all states with unfinished frame or receiver restrictions. It is the customer's responsibility to know all applicable laws that apply. Please complete your research BEFORE making a purchase. By using this website to purchase and/or use this product, you affirm that you have verified that you may possess, purchase, and use this product under all applicable city, county, state and/or federal laws. MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. Due to the volatile nature and ever-changing laws regarding unfinished frames and lowers, these items are not returnable. A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states.



POLYMER80 76% FRAME AND MAS DEFENSE COMPLETE RAIL KIT COMPACT G19 / G23 - BLACK
MPN: P80-FKC76M-BLK

This combo includes a Polymer80 76% frame and a MAS Defense complete rail kit, offered together in one convenient package. Designed for reliability and compatibility, this kit provides a streamlined solution for your build needs.

Product Overview:
  • Included: Polymer80 76% Compact G19 / G23 Frame
  • Enhanced Ergonomics and Features
  • High-Strength Reinforced Polymer Construction
  • Aggressive and Adaptable Grip Texture
  • Picatinny/STANAG Compliant Accessory Rail
  • Blank Serialization Plate
  • Included: MAS Defense Stainless Steel Front Locking Block
  • Included: MAS Defense Stainless Steel Split Rear Rails
  • Included: MAS Defense Hardened Pins
  • Compatible with Glock® 19/23 Gen3 Components
  • Lone Wolf parts may not be Gen 3 parts. Use of any parts other than Gen 3 may cause damage and will void the warranty.

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.


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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 13 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 Poly80 and rail kit January 14, 2026
: Stephen Hubbard from Longview, TX United States  
quick shipping and exactly as described

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  0 of 0 people found the following review helpful:
 
5 of 5 quick shipping January 11, 2026
: ron from Atlanta, GA United States  
arrived in 3 days

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  0 of 0 people found the following review helpful:
 
5 of 5 December 31, 2025
: Chris from Lancaster, PA United States  
Very professional company ,with prompt courteous service ,from ordering to shipping.competitive prices,if you need it they probably have it. keep it up team at mas defense.

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  0 of 0 people found the following review helpful:
 
5 of 5 Different Experience December 19, 2025
:  
Fast service with expected quality items.  The Polymer 80 76% frame is a different experience to complete than the original 80% frames.

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  0 of 0 people found the following review helpful:
 
5 of 5 Mas Defense customer support December 10, 2025
: from Bemidji, MN United States  
Mas Defense was incredible with helping me with an issue that wasn’t in their control. Replaced my frame when they didn’t have to and I’m very grateful for this amazing company. 10/10

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