Trigger

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A replacement trigger is one of the most noticeable upgrades you can make to an AR-15. Mil-spec triggers are reliable but gritty, with a heavy pull of about 5.5 to 8 pounds. Drop-in triggers come as a self-contained trigger group that installs with two pins; traditional triggers are separate parts. Single-stage triggers break with one clean pull, while two-stage triggers have a light take-up before a defined wall, popular for precision.

Most AR-15 triggers use small .154-inch pins, so check your lower. Compare triggers across stores below, and see our trigger guides for picks and comparisons.

Read our guide: Best AR-15 Triggers: Our Top Picks for Your Next Build

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Product	Stage	Platform	Color	Material	Best price
AR-15 Super Select SOPMOD TriggerGeissele AutomaticsAR-15	—	AR-15	—	—	$410.002 storesIn stockSale
AR-15 Targa 2-Stage Trigger ShortTimneyAR-15	—	AR-15	—	—	$194.008 storesIn stock
S3G Super 3 Gun TriggerGeissele AutomaticsAR-15	—	AR-15	—	—	$250.001 storeIn stock
.154" 2-Stage TriggerRock River ArmsAR-15	—	AR-15	—	—	$88.496 storesIn stock
Standard Curved Trigger, 3.5 Lb PullCMC TriggersAR-15	—	AR-15	—	—	$174.007 storesIn stock
PNT TriggerBravo Company MFGAR-15	—	AR-15	—	—	$59.997 storesIn stock
AR-15/M16 Curved 2-Stage TriggerCMC TriggersAR-15	—	AR-15	—	—	$199.905 storesIn stock
TT-AR-15 Trigger Adjustable 2.5-5Lbs CurvedBattle Arms DevelopmentAR-15	—	AR-15	—	—	$267.953 storesIn stockSale
AR-15 Small Pin Trigger Module, 3 Lbs, Skeleton ShoeTimneyAR-15	—	AR-15	—	—	$233.008 storesIn stock
AR-15, Drop-In, Single Stage TriggerPatriot Ordnance FactoryAR-15	—	AR-15	—	—	$151.994 storesIn stock
Geissele Super Semi-Automatic (SSA) Trigger ‒ 05-101CMMG	—	—	—	—	$250.006 storesIn stockSale
Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166Geissele Automatics	—	—	—	—	$250.008 storesIn stock
Wilson Combat Tactical Trigger Unit - Single Stage, Semi-Auto TR-TTUWilson Combat	—	—	—	—	$195.955 storesIn stock
Wilson Combat Tactical Trigger Unit, Semi-Auto, Single Stage, MIL/LE, 5-5 3/4 lb TR-TTU-MILWilson Combat	—	—	—	—	$161.933 storesIn stockSale
Geissele 2 Stage (G2S) Trigger ‒ 05-145CMMG	—	—	—	—	$170.998 storesIn stock
Geissele Super Dynamic Combat (SD-C) Trigger ‒ 05-165Geissele Automatics	—	—	—	—	$250.006 storesIn stockSale
Wilson Combat Tactical Trigger Unit, 3-Gun, Semi-Auto - TR-TTU-3GWilson Combat	—	—	—	—	$186.496 storesIn stockSale
Wilson Combat Tactical Trigger Unit, Two Stage, Semi-Auto, Paul Howe Model - TR-TTU-H2Wilson Combat	—	—	—	—	$185.995 storesIn stockSale
Wilson Combat Semi-Auto Two Stage Match Tactical Trigger - TR-TTU-M2Wilson Combat	—	—	—	—	$169.496 storesIn stockSale
CMC Triggers AR-15 Match Grade Two-Stage Curved Trigger, Matte Black (2lb/4lb) - 93502CMC TriggersAR-15	—	AR-15	—	—	$199.907 storesIn stockSale
CMC Triggers AR-15 Match Grade Two-Stage Flat Trigger, Matte Black (2lb/4lb) - 93504CMC TriggersAR-15	—	AR-15	—	—	$199.907 storesIn stockSale
CMC Triggers Duty Patrol Single-Stage Curved Trigger, Matte Black (5.5lb) - 93501CMC Triggers	—	—	—	—	$174.006 storesIn stockSale
ALG AK Trigger Ultimate with Lightning Bow ‒ 05-327ALG Defense	—	—	—	—	$134.997 storesIn stock
Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger- 05-160CMMG	—	—	—	—	$245.008 storesIn stock
Geissele Super Three Gun (S3G) Trigger ‒ 05-152Geissele Automatics	—	—	—	—	$240.007 storesIn stock
ALG Defense Combat Trigger (ACT) 05-199ALG Defense	—	—	—	—	$79.007 storesIn stock
ALG Defense Quality Mil-Spec Trigger (QMS) 05-198ALG Defense	—	—	—	—	$68.256 storesIn stockSale
Geissele Super Dynamic Enhanced (SD-E) Trigger ‒ 05-167Geissele Automatics	—	—	—	—	$250.007 storesIn stock
Geissele Super Tricon (Super T) Trigger ‒ 05-230Geissele Automatics	—	—	—	—	$250.007 storesIn stock
CMC AR Duty Patrol Single Stage Curved Trigger, 4.5-5lb, Drop in-92501CMC Triggers	—	—	—	—	$174.006 storesIn stock

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Trigger: common questions

Single-stage or two-stage trigger?

Single-stage triggers are quick and simple, good for close range and competition. Two-stage triggers give a light take-up and a crisp break that many shooters prefer for precision. Both are reliable.

Are drop-in triggers worth it?

They're the easiest upgrade: the whole trigger group goes in as one unit with two pins and no loose springs. They cost more than a standard trigger group.

Will an AR-15 trigger fit my lower?

Most AR-15 lowers use small (.154-inch) pins; some older lowers use large (.170-inch) pins, and AR-10 and some 9mm lowers differ. Check your lower before you buy.

Are binary triggers legal?

Binary triggers fire once on the pull and once on the release. They're legal under federal law but banned or restricted in several states, so check your state's law.