FAB DEFENSE GL-Core Buttstock with Cheek Rest, Black - FX-GLCORECPB
Click to see full view
Fab Defense
Overview
The FAB Defense GL-Core Buttstock is designed to enhance your AR-15's ergonomics and functionality, featuring a built-in cheek rest for improved sight alignment. Constructed from durable polymer, this stock provides a solid platform for your rifle setup, making it a practical choice for builders looking to optimize their shooting experience. This buttstock is frequently used in builds with a carbine gas system and chambered in 5.56 NATO, making it a reliable option for a variety of applications.
Specifications
September 2026 on GunPartPicker
FAB DEFENSE GL-Core Buttstock with Cheek Rest, Black - FX-GLCORECPB ranked #37 of the 199 stocks and braces builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #28 of the 450 stocks and braces builders have added. Builds with this stock are split between 300 Blackout (50%) and 5.56 NATO (50%), nearly all on mid-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $58.44, so there haven't been real sales lately.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 30+ retailers
Not sure which stock & brace to pick?
We ranked every stock & brace by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Stock Popularity Report →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Battle Arms Development Workhorse Barreled AR-15 Upper Receiver - M-LOK - 16"
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Magpul AFG-2 Angled Fore Grip - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
No reviews yet. Be the first to review this product!