The TriggerTech Diamond Two-Stage is an externally adjustable two-stage drop-in trigger with a flat shoe for AR-15 and M4 pattern rifles.
Two stages, no creep — the Diamond Two-Stage brings frictionless staged control to precision AR-15 shooting.
The TriggerTech Diamond Two-Stage AR applies Frictionless Release Technology to the two-stage format: a smooth, rolling first-stage take-up into a wall TriggerTech credits as free of creep, then a break that happens exactly where your finger learned it lives. Externally adjustable from 1.5 to 4 lb total, it covers everything from deliberate target work to faster staged shooting — and the reset remains signature TriggerTech: short, crisp, certain.
The flat shoe adds repeatable finger indexing and leverage, while sealed stainless internals mean the pull you tuned survives dust, rain and thousands of cycles.
Key Features
- Frictionless two-stage pull — staged discipline with a clean wall
- Externally adjustable 1.5–4 lb — tune both character and weight
- Short, crisp reset — fast follow-ups from a staged trigger
- Flat shoe — consistent placement and leverage
Compatibility & Fitment
Drop-in fit for AR-15/M4 pattern lower receivers with standard Mil-Spec trigger pins. Confirm your pin size before ordering. Function-check the rifle before live fire.
Technical Specifications
Platform | AR-15 / M4 |
Fits | Mil-Spec AR-15 / M4 lower receivers, standard trigger pins |
Type | Two-stage trigger, Frictionless Release, flat shoe |
Material | Sealed stainless internals |
Finish | Black/Red |
Pull Weight | Adjustable 1.5–4.0 lb |
Made in | North America |
Brand | TriggerTech |
US Shipping & Support
Shipped from D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
Will this Diamond Two-Stage fit a standard AR-15 lower?
It is a drop-in fit for AR-15/M4 pattern lower receivers using mil-spec trigger pins, so it goes straight in where the standard fire control group came out. Confirm your lower uses mil-spec pins rather than large pins before ordering, as that is the usual compatibility question. No permanent modification to the receiver is involved.
What makes the Diamond different from the other TriggerTech AR triggers?
The Diamond is the top of the AR line here and gives the widest useful adjustment of the two-stage models, from 1.5 lb up to 4.0 lb total. That range takes it from a light bench or precision setting right up to a general-purpose weight.
How light can I safely set it?
The unit is specified as adjustable between 1.5 lb and 4.0 lb, and you should stay inside that range rather than trying to force it lower. Very light settings suit deliberate slow fire from a rest; if the rifle is used for anything more dynamic, most shooters settle nearer the top of the range. Always function and safety check on an unloaded rifle after any adjustment.
Flat shoe or curved - which should I pick?
This is the flat-shoe version, which gives a straight-back pull and a consistent contact point regardless of how high your finger sits. Curved shoes feel more familiar to anyone coming off a standard mil-spec trigger. Fitment is identical either way, so it is purely a question of what your hand prefers - and nothing extra is needed to run it beyond your existing pins.
