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Fab Defense
Overview
The FAB Defense F.A.B. GL-CORE CP Buttstock is designed to enhance the functionality and comfort of your AR-15 or M4 platform. Constructed from durable polymer in an olive drab green color, this buttstock provides a lightweight option that maintains structural integrity during use. This stock is often found in tactical builds that prioritize both versatility and a streamlined appearance.
FAB Defense F.A.B. GL-CORE CP Buttstock for AR-15/M4, Olive Drab Green - FXGLCORECPG
Prices checked
FAB Defense F.A.B. GL-CORE CP Buttstock for AR-15/M4, Olive Drab Green - FXGLCORECPG ranked #52 of the 245 stocks and braces builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #56 of the 560 stocks and braces builders have added. Builds with this stock are split between 5.56 NATO (53%) and .223 Wylde (18%), split between mid-length (46%) and pistol-length (31%) gas systems, and mostly AR-15 (95%).
It was in stock most times we checked in October 2026, but today only Optics Planet has it in stock. Buying today, the lowest price is $85.30 at Optics Planet, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the FAB Defense F.A.B. GL-CORE CP Buttstock for AR-15/M4, Olive Drab Green - FXGLCORECPG
| Build | Parts | Total |
|---|---|---|
![]() | 16 | $1320.02 |
![]() | 24 | $3861.31 |
![]() | 8 | $1955.98 |
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