TGF (Trigger Guard, Forward Controls)

Forward Controls TGF (Trigger Guard)


Forward Controls Design | Stockpile Defense


FCD TGF (Trigger Guard, Forward Controls) is available in standard (straight) and winter versions. Both are machined from 7075 aluminum. They do not have a spring loaded detent for the front, but use a set screw, like the Magpul Enhanced Trigger Guard, and a standard trigger guard roll pin in the rear.

A roll pin is used for TGF’s rear, as it’s reliable and robust. This will also prohibit loosening. The front set screw is flush with the receiver and doesn’t protrude. A 1/16 Allen wrench is required for install.

Both the standard and winter versions feature a canted front edge to make rocking the magazine into the mag well easier. The winter version has as much constant/unchanged space from the trigger bow forward as possible instead of the space inside tapering and decreasing as the trigger guard nears the receiver’s front trigger guard holes. The space to the rear of the trigger bow is inaccessible for the user’s finger, so it’s kept small and low intentionally.

Additional information

TGF is designed for use with TDP spec forged lower receivers, and fills the gap forward of the pistol grip, between the trigger guard “ears”.
TGF is designed for use with TDP spec forged lower receivers, and fills the gap forward of the pistol grip, between the trigger guard “ears”.
All the sharp edges and corners have been removed.
ZEV lower receivers appear to have shorter trigger guard ears. These shortened ears expose the bottom of the TGF slightly more. This has no bearing on functionality and nor does not hinder usage. The latest Mega lowers reportedly have longer ears that do cover the TGF.

These lower receivers have taller trigger guard ears and provide a more seamless fit:

Cerro Forge Lowers (Keyhole)

The proper TDP width for a spec trigger guard is 0.430 +/- 0.003. TGF follows the TDP spec and tolerances. The gap between the rear trigger guard ears is 0.438 + 0.008 / -0.000. Given the rather loose tolerances of the space between the trigger guard’s rear ears, TGF or any other spec trigger guard could be just right, or slightly loose even with all TDP parts. This is inherently due to the fact that the TDP tolerances allow for a loose fit between the ears of the lower and trigger guard.

TDP diameter for the front right ear of the trigger guard is 0.125 +0.003.  If the hole is on on the upper side of the tolerance, TGF’s set screw can rattle inside.  This too, isn’t unique to TGF.

A quick note from Roger Wang of Forward Controls Design:

“We’d like to remind folks that AR15s/M16s are tools, and every part has a tolerance value. It isn’t an advantage or useful feature for combat weapons to be so tight that they lose their tolerance for debris, sand, and mud.  TDP trigger guards swing down, and they wouldn’t be able to do so if any foreign object in its way can stop them from doing so.

We don’t fudge and get creative with TDP specs and tolerances. If we made TGF on the wide side (didn’t even think about it, but we wouldn’t do it anyway because it has problems of its own), we’d risk the TGF being too tight and not fitting Colt, LMT and BCM lower that are true to TDP specs. We design and produce duty grade components for duty/combat weapons, and we adhere to TDP specs and tolerances.”

Weight 1 lbs
Dimensions N/A
Guard Style

Standard, Winter


Black, OD Green, FDE


Forward Controls Design

Forward Controls Design | Stockpile Defense


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