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Questions & Answers
Does an ambidextrous safety work with this trigger I had to remove mine in order for the trigger to operate. Expert Answer

It should work with any AR15 ambidextrous safety.

by Jonathan D., Gear Expert, September 3, 2019
I just purchased the RA-240 based on an experience I have had with the RA-140 Super Sporting Trigger. Does this drop-in have set screws ? Expert Answer

Please email us at techsales@opticsplanet.com so we can further assist you with your question.

by Patrick, Gear Expert, November 2, 2021
Customer Reviews
Expert Review
Hello Big Blue by Matt S., Gear Expert, May 7, 2018
This is my second Rise Armament trigger. I really like the quality they offer while keeping prices reasonable. The blue finish on the housing is really nice, almost wish I had a skeletonized receiver to show it off more. As for the function, this t...
Read More...
48/49 found this helpful
Helpful Positive Review Simple fix! by Reece, Verified Owner, March 5, 2025
I bought two of these and had them in different ar-15’s and both of them had light primer strikes from the hammer not resetting all the way after each round fired. Was very disappointed but found two set screws under the trigger spring, those need ti...
Read More...
1/1 found this helpful
Helpful Positive Review Read if you trigger is not resetting properly. Great trigger though. by Peter Lewis, Verified Owner, April 9, 2021
Pros: Trigger is crisp, light, and has a strong wall and sharp reset. Great upgrade for the price. I went with the flat one and love it. Cons: You need to tighten two tension screws or the trigger does not reset correctly and will fire on reset. T...
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77/81 found this helpful
Helpful Positive Review Great product by Levi, Verified Owner, January 19, 2025
I have this in 6 of my AR builds and the are great 4 of them are in 55.6 and two are in 9mm
2/2 found this helpful
Helpful Positive Review Drop in trigger by Pillroller73, Verified Owner, January 19, 2025
This is a great drop in trigger that is light and crisp. It make the AR trigger pull a joy to pull.
1/1 found this helpful
Helpful Positive Review Awesome upgrade to your AR platform. by Clete, Verified Owner, January 21, 2025
The trigger is one of the most important factors in making any rifle shoot better. The AR platform is no different. This trigger is easy to install and is so much better than the milspec triggers.The crisp, clean break of this single stage trigger i...
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1/1 found this helpful
Read All 305 Reviews
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Rise Armament Lower Parts Kit AR-15 Minus Trigger
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Product Info for OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger

If you're planning some AR modifications, the trigger is almost always the first change, so gear up with OpticsPlanet and RISE Armament with the exclusive RA-240 drop-in trigger. Working together, this single-stage trigger brings together Rise Armament's high quality designs and OP's unique style. The RA-240 is available in two colors and configurations. You'll find it in blue and black with a curved trigger shape, or silver and blue with a straight trigger shape.image

These Rifle Triggers are designed with an extremely light 3.5-pound pull weight, crisp break, and fast reset. The RA-240 design was constructed from high-grade and heat treated tool steel and aluminum. For assembly, Rise Armament adheres to AS9100 aerospace requirements, which are much stricter than gun standards. Plus, the drop-in design is easy to install and requires no fine-tuning. It's also compatible with both .223- and .308-rifle designs. Upgrade with the Rise Armament RA-240 drop-in trigger, which you'll only find on OpticsPlanet!

WARNING: California`s Proposition 65

Specifications for OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger:

Manufacturer: RISE Armament
Finish: Anodized
Fabric/Material: High-Grade Heat-Treated Tool Steel/Aluminum
Trigger Pull Weight: 3.5 lb
Trigger Pin Size: 0.15625 in
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Cartridge: 5.56x45mm NATO, .308 Winchester, .223 Remington

Features of OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger:

  • Available exclusively from OpticsPlanet
  • Clean break trigger with a short reset.
  • Single-stage trigger system with drop safety feature.
  • Single-stage trigger system.
  • Light 3.5-lb. pull weight.
  • Comfortable, semi-curved trigger for enhanced control.
  • Manufactured and assembled according to strict AS9100 aerospace requirements, which are more stringent than standard gun manufacturing requirements.
  • CNC machined from high-grade, heat-treated tool steel and aluminum.
  • Bright blue 8625 hard coat anodized aluminum cassette.
  • Fits most .308 and.223 AR-style platforms.
  • Self-contained design makes it easy and quick to install with no fine-tuning needed.
  • OpticsPlanet Exclusives

Package Contents:

  • OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger
  • Anti-walk Pins

OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger Orderable Models

List of Orderable Models

OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull Weight, Anodized, Graphite, Silver, RA-240-GPHT-SLVR , MPN: RA-240-GPHT-SLVR , UPC: 850043415701 , Code: 2AL-ART-ERTRG-RA-240-GPHT-SLVR
OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull Weight, Anodized, Graphite, Black, RA-240-GPHT-BLK , MPN: RA-240-GPHT-BLK , UPC: 850043415695 , Code: 2AL-ART-ERTRG-RA-240-GPHT-BLK
OpticsPlanet Exclusive RISE Armament RA-242 Enhanced Rifle Trigger, Flat, 3.5lb Pull Weight, Anodized, Graphite, Silver, RA-242-GPHT-SLVR , MPN: RA-242-GPHT-SLVR , UPC: 850043415725 , Code: 2AL-ART-ERTRG-RA-242-GPHT-SLVR
OpticsPlanet Exclusive RISE Armament RA-242 Enhanced Rifle Trigger, Flat, 3.5lb Pull Weight, Anodized, Graphite, Black, RA-242-GPHT-BLK , MPN: RA-242-GPHT-BLK , UPC: 850043415718 , Code: 2AL-ART-ERTRG-RA-242-GPHT-BLK
OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT , MPN: RA-242-ERT , UPC: 853742008861 , Code: 2AL-ART-ERTRG-RA-242-ERT
OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT , MPN: RA-240-ERT , UPC: 853742008458 , Code: 2AL-ART-ERTRG-RA-240-ERT

OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger Unavailable & Discontinued Models

List of Unorderable Models

USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO10, Used, Condition Fair , MPN: RA-242-ERT-EDEMO10 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO10
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT, EDEMO6, Condition Fair, Used , MPN: RA-240-ERT-EDEMO6 , Code: 2AL-ART-ERTRG-RA-240-ERT-EDEMO-US-D
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT, EDEMO4, Used, Condition Fair , MPN: RA-240-ERT-EDEMO4 , Code: 2AL-ART-ERTRG-RA-240-ERT-EDEMO4
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT, EDEMO5, Used, Condition Like New , MPN: RA-240-ERT-EDEMO5 , Code: 2AL-ART-ERTRG-RA-240-ERT-EDEMO5
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO9, Used, Condition Fair , MPN: RA-242-ERT-EDEMO9 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO9
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO6, Used, Condition Like New , MPN: RA-242-ERT-EDEMO6 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO6
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO7, Condition Parts Only/Salvage, Defective , MPN: RA-242-ERT-EDEMO7 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO-DF-F
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT, EDEMO8, Used, Condition Fair , MPN: RA-240-ERT-EDEMO8 , Code: 2AL-ART-ERTRG-RA-240-ERT-EDEMO8
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO8, Condition Fair, Missing Item , MPN: RA-242-ERT-EDEMO8 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO-MI-D
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Curved, 3.5lb Pull, Blue/Black, RA-240-ERT, EDEMO7, Used, Condition Fair , MPN: RA-240-ERT-EDEMO7 , Code: 2AL-ART-ERTRG-RA-240-ERT-EDEMO7
USED OpticsPlanet Exclusive RISE Armament RA-240 Enhanced Rifle Trigger, Straight, 3.5lb Pull, Blue/Silver, RA-242-ERT, EDEMO5, Used, Condition Fair , MPN: RA-242-ERT-EDEMO5 , Code: 2AL-ART-ERTRG-RA-242-ERT-EDEMO5

Proposition 65 Warning for California Consumers

For more information go to www.p65warnings.ca.gov

Notification

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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