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Questions & Answers
Will it fit DDM4 300 blackout? Manufacturer Answer

Yes, this will fit the DDM4 300 Blackout

by RISE Armament, Manufacturer, April 30, 2025
Customer Reviews
Most Recent Reviews
Trigger for 308 by Brian Phillips, Verified Owner, September 6, 2024
It was a easy installed glad it had all the tools and pins that was needed to make it easy and reliable
Most Recent Reviews
Rise armament ra-140 blue by Runnergunner, Verified Owner, April 30, 2024
Trigger has creep /takeup on initial pull , then clean break. But doesnt reliably reset all the time . I tightened the set screws on the inside of the cassette housing to the receiver and also had to file down the antiwalk pins because they were too ...
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Most Recent Reviews
Great trigger! by Steve, Verified Owner, April 23, 2024
Clean break and reset, will be buy another very soon for my other rifle.
Most Recent Reviews
Trigger back the blue by Sa422ARC, Verified Owner, April 3, 2024
This is a 3.5lb trigger. Drop-in, easy install. I would purchase this product again.
Most Recent Reviews
Good affordable upgrade by mr B, February 25, 2024
Good affordable upgrade from mil-spec triggers. Clean break and quick unmistakable reset. It was easy to install except for the pin screws. Definitely worth the money though
Read All 5 Reviews
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Product Info for RISE Armament Special Edition RA-140 Super Sporting Trigger

Featuring a crisp 3.5-lb. trigger pull, the Back the Blue RA-140 Super Sporting Trigger (SST) is a high-performance, cost-effective upgrade for your AR build. Internally, the Back the Blue RA-140 SST is equipped with nickel boroncoated parts for upgraded smoothness and performance.image

Each purchase of the Back the Blue RA-140 SST benefits Concerns of Police Survivors (C.O.P.S), a nonprofit organization dedicated to providing resources for families and co-workers of officers who die in the line of duty.

The Back the Blue RA-140 SST also includes free anti-walk pins for installation. It is available with either a curved or flat trigger blade, depending on your preference.

WARNING: California`s Proposition 65

Specifications for RISE Armament Special Edition RA-140 Super Sporting Trigger:

Manufacturer: RISE Armament
Color: Blue
Trigger Material: Steel/Aluminum
Trigger Pull Weight: 3.5 lb
Trigger Pin Size: Mil-Spec
Gun Make: AR Platform
Finish: Anodized
Fabric/Material: Steel/Aluminum

Features of RISE Armament Special Edition RA-140 Super Sporting Trigger

  • Each purchase benefits C.O.P.S.
  • Available with a curved or flat trigger blade
  • Nickel boroncoated internal parts for improved performance
  • Unique blue housing with distressed Back the Blue design
  • Includes free anti-walk trigger and hammer pins
  • Single-stage trigger system
  • Drop safety feature
  • Blue bright dip anodized aluminum cassette-style housing
  • CNC machined from high-grade, heat-treated tool steel
  • Fits AR-style platforms built to Mil-Spec dimensions (calibers include .223/5.56, .308, 6.5, 9mm, and more)
  • Self-contained design makes it easy and quick to install with no fine-tuning needed

Package Contents:

  • RISE Armament Special Edition RA-140 Super Sporting Trigger
  • Anti-Walk Pins

RISE Armament Special Edition RA-140 Super Sporting Trigger Orderable Models

List of Orderable Models

  • RISE Armament Special Edition RA-140 Super Sporting Trigger, Curved, Blue/Silver, RA-140-BTB , MPN: RA-140-BTB , UPC: 850043415497 , Code: 2AL-ART-VDF7D-RA-140-BTB
  • RISE Armament Special Edition RA-140 Super Sporting Trigger, Flat, Blue/Silver, RA-140F-BTB , MPN: RA-140F-BTB , UPC: 850043415503 , Code: 2AL-ART-VDF7D-RA-140F-BTB
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