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Questions & Answers
Does this trigger work with the HK MR556A1? Expert Answer

The HK MR762 will only work for the MR762/417; it will not work with the MR566/416 variants.

by Brandon B, Gear Expert, October 6, 2021
Why does this say this is for 7.62x39? It’s a 308 rifle, is this a typo? Expert Answer

The labeling is straight from HK themselves, mirroring the names they use for their products. For all intents and purposes, the .308 and 7.62 versions of the HK MR762 are identical.

by Brandon B, Gear Expert, October 6, 2021
Customer Reviews
Helpful Positive Review
Geissele HK MR762A1 Trigger by Tennistanman74, Verified Owner, November 5, 2025
Optics Planet was prompt and responsive to my questions; and like all Geissele triggers, installation was easy and shooting it was evidence to me that the investment in the trigger was worth every dollar.
1/1 found this helpful
Most Recent Reviews
Does NOT fit A4 models. by DMC, Verified Owner, October 27, 2025
Buyer beware. This trigger does not fit MR 762 A4 models without modifying the safety selector axle or purchasing a modified aftermarket one. This little gem of information is buried in the manufacturers website claiming that it is “unknown” if it wi...
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Read All 2 Reviews

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Color: Black Trigger Shape: Curved Trigger Pull Weight: 4.5 lbTrigger Pin Size: Mil-Spec Hand: Ambidextrous Gun Make: Heckler & Koch Gun Model: Heckler & Koch MR762

Code: 1TO-TGR-05-219

MPN: 05-219

UPC: 854014005175

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List: $470.00Save 33%
$317.25

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made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Geissele HK MR 762 Rifle Trigger

The Geissele HK MR 762 Rifle Trigger is a non-adjustable 2-stage trigger that enhances your confidence in the field by providing reliable and consistent pulls with each use. Geissele developed these Rifle Triggers with a 2.75-3lbs. first stage weight and a 1.5-1.75lbs second stage weight to create a total pull weight of 4.25-4.75lbs. which is perfect for law enforcement, self-defense or even hunting. This Geissele HK MR 762 Mil-Spec Rifle Trigger features an M4 curved trigger bow that is remarkably easy to grip and provides comfortable, consistent pulls every time. Install this Geissele HK MR 762 2-Stage Trigger to vastly improve your shooting experience in the field, at the range or anywhere else you need a reliable shot.image

WARNING: California`s Proposition 65

Specifications for Geissele HK MR 762 Rifle Trigger:

Manufacturer: Geissele
Color: Black
Finish: Black
Trigger Shape: Curved
Trigger Pull Weight: 4.5 lb
Trigger Pin Size: Mil-Spec
Hand: Ambidextrous
Gun Make: Heckler & Koch
Gun Model: Heckler & Koch MR762
Gun Type: Rifle
Country of Origin: USA
Caliber: 7.62x39mm

Features of Geissele HK MR 762 Rifle Trigger:

  • After installing the MR762 trigger you must cock the hammer in order to engage the safety unlike the HK trigger system where you can place the selector on Safe with the hammer forward.
  • Size: Standard Mil-Spec Pin
  • Trigger Bow Type: M4 Curved
  • Weapon Platform: HK MR556/762 (Upper Only)

Package Contents:

  • Geissele HK MR 7.62 Rifle Trigger

Geissele HK MR 762 Rifle Trigger Orderable Models

List of Orderable Models

  • Geissele HK MR 762 Rifle Trigger Assembly, 4.5lbs, Black, 05-219 , MPN: 05-219 , UPC: 854014005175 , Code: 1TO-TGR-05-219
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