Lower Parts

The Geissele 2 Stage (G2S) was designed to be a high quality, cost effective option of the SSA. The G2S is a 4.5lb. non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate trigger control. The G2S is manufactured from the same tool steel as the SSA. Visually, from the outside of the weapon there is no difference from the SSA and the feel and reliability is the same. The G2S however has a different way of holding the hammer pin in place, there is no...

Hi-Speed National Match Triggers - Large Pin Series Geissele Automatics currently offers three large pin Hi-Speed trigger products. These adjustable triggers are specially designed for competition, hunting, tactical, and military use, where both accuracy and robustness are critical. As an adjustable trigger, the first and second stage weight distribution, as well as, total pull weight, over-travel, and sear engagement are all to be tuned to the shooters preference. The Geissele Service Trigger...

The HK MR 556 trigger is similar to our SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: M4 Curved Weapon Platform: HK MR556/762 (Upper Only) Type: 2 Stage 1st Stage Weight: 2.5 lbs. 2nd Stage Weight: 2.0 lbs. Total Pull Weight: 4.5 lbs. Adjustable: No Recommended Use: Law Enforcement, Home Defense, Hunting Pin Size: Mil-Spec All weights are approximates. Geissele Automatics two stage trigger...

The HK MR 762 trigger is similar to our SSA with a 4.5 total pull weight. It can be used in both the HK 762 and semi-auto HK 417's. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: M4 Curved Weapon Platform: HK MR556/762 (Upper Only) Type: 2 Stage 1st Stage Weight: 2.5 lbs. 2nd Stage Weight: 2.0 lbs. Total Pull Weight: 4.5 lbs. Adjustable: No Recommended Use: Law Enforcement, Home Defense, Hunting Pin Size: Mil-Spec All weights are approximates. Geissele Automatics two stage...

The Geissele Maritime Bolt Catch is designed with the warfighter in mind and will work with any lower receiver designed to accept a mil-spec M16/M4 Carbine bolt catch. The increased surface area promotes ease of function when locking back the bolt or releasing the bolt after a magazine change. In addition, the extended controls add an increased functionality for left handed shooters who no longer have to break their grip to manipulate the bolt catch. Left handed shooters can easily reach the...

The Single-Stage Precision (SSP) is Geissele Automatics first true single-stage trigger for the AR platform. This drop-in trigger has no take up and a super clean break. The reset is short yet still distinct, giving excellent feedback to the shooter during target engagement. Combining these two capabilities provides the shooter with the confidence to take precise shots where accuracy is crucial and the speed for quick follow up hits is essential. As with all Geissele Automatics products the...

Weapon Platform AR15/AR10 Intended Function Hunting, Target Shooting, Precision Shooting Trigger Bow Type M4 Curved Notes Please note, our triggers are designed for mil-spec AR15/M4 carbine rifles. Our AR15 triggers are not compatible with the Sig MPX/MCX weapons or Pistol Caliber Carbine AR15/M4 variants. Using them in these platforms will void the warranty. Please refer to our Super MCX SSA or Super MPX SSA if you are using these platforms. Size Standard Mil-Spec Pin ...

What is Geissele Nanoweapon? Geissele Nanoweapon (also known as Picatinny DSL) is a family of Durable Solid Lubricant coatings which was developed by ARDEC. It is available exclusively from Geissele Automatics. We continued the development of Picatinny DSL so that its level of corrosion, wear and abrasion resistance is currently unmatched among firearm coatings. Nanoweapon is applied at low temperatures so that the underlying metallurgy of the part is non effected by the application process....

What is Geissele Nanoweapon? Geissele Nanoweapon (also known as Picatinny DSL) is a family of Durable Solid Lubricant coatings which was developed by ARDEC. It is available exclusively from Geissele Automatics. We continued the development of Picatinny DSL so that its level of corrosion, wear and abrasion resistance is currently unmatched among firearm coatings. Nanoweapon is applied at low temperatures so that the underlying metallurgy of the part is non effected by the application process....

The S3G was developed to combine the SSF combat triggers match-grade semi-automatic performance with its smooth single-stage full-automatic feel to make a fast, smooth, and robust trigger ideal for 3 Gun competition shooting. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: M4 Curved Weapon Platform: AR15/AR10 Type: Single Stage 1st Stage Weight: 4.0 lbs 2nd Stage Weight: N/A Total Pull Weight: 4.0 lbs. (3.25 lbs. or 4.0 lbs depending on spring) Adjustable: No Recommended Use: 3...

This is a semi-automatic-only derivative of the two-stage Super Select-Fire (SSF) combat trigger that Geissele Automatics produces for customers in the U.S. Special Operations Community.The large pin dimension is 0.169 inches, whereas the standard pin dimension is 0.155 inches. The S3G was developed to combine the SSF combat triggers match-grade semi-automatic performance with its smooth single-stage full-automatic feel to make a fast, smooth, and robust trigger ideal for 3 Gun competition...

The Geissele Super 42 Spring was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique spring design uses three independent strands of wire, just like the German MG42 Machine Gun. This concept acts as a harmonic damper and energy absorber by allowing the springs to flex separately from each other. This flex helps displace excess energy which decreases the chance of spring failure and assists with making your AR-15 more reliable.Compared to the stock spring,...

To change the Geissele Automatics H1 Buffer assembly to the heavier H2 or H3 buffer setup, you will need to disassemble and re-assemble the buffer replacing the steel weights with the correct number of tungsten weights. 1 Tungsten weight to add over all weight to your buffer setup. (H1 / H2 / H3 setups) Note : We are a factory direct LE/Mil dealer. Special Order turn-around time is dependent on the manufacturers inventory and production schedule. While most orders are filled within 3-5 weeks,...

The S3G was developed to combine the SSF combat triggers match-grade semi-automatic performance with its smooth single-stage full-automatic feel to make a fast, smooth, and robust trigger ideal for 3 Gun competition shooting. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: Flat Weapon Platform: AR15/AR10 Type: Single Stage 1st Stage Weight: 4.0 lbs. 2nd Stage Weight: N/A Total Pull Weight: 4.0 lbs. (3.25 lbs. or 4.0 lbs depending on spring) Adjustable: No Recommended Use:3 Gun Pin...

The Geissele Super Dynamic-Combat (SD-C) Trigger featuring an exclusive flat trigger bow, is a rugged, nonadjustable combat trigger with a sear design that provides a wide margin of safety against unintentional discharges yet still gives the operator a sharp, repeatable trigger release. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: Flat Weapon Platform: AR15/AR10 Type: 2 Stage 1st Stage Weight: 2.5 lbs. 2nd Stage Weight: 2.0 lbs. Total Pull Weight: 4.5 lbs. Adjustable: No...

The Geissele Super Dynamic-Enhanced (SD-E) Trigger featuring an exclusive flat trigger bow, is a finely-tuned two stage trigger providing enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of our combat-proven two-stage trigger. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: Flat Weapon Platform: AR15/AR10 Type: 2 Stage 1st Stage Weight: 2.3 lbs. 2nd Stage Weight: 1.2 lbs. Total Pull Weight: 3.5 lbs. Adjustable: No Recommended Use: Law...

The Super MPX SSA is finished in Nanoweapon, a proprietary Geissele coating that provides greater wear and corrosion resistance versus other types of finishes. Due to the harsh operating system of the MPX platform we found Nanoweapon to be ideal for this application. The Super MPX SSA was designed as a high performance, combat inspired two stage trigger for the SIG SAUER MPX Platform.

The Super Sabra Lightning Bow Trigger is precision machined from precipitation hardened 17-4 and is designed to replace the standard trigger in IWI Tavor rifles. Once installed, the Sabra Lightning Bow is adjustable via a set screw that removes the slack that is inherently found in the trigger mechanism of those rifles. By removing the slack, the trigger pull is instantly transformed into a feel that is much more familiar to that of an M4 Carbine. Pairing the Sabra Lightning Bow with a Super...

The Geissele Super Sabra was born from the combat heritage of the SSA and is a drop in replacement for the OEM trigger pack. It is a precision two-stage trigger and allows precise and accurate trigger control. The Super Sabras two-stage design allows the trigger to be light enough for accurate and precise shots, but forgiving enough for close quarter combat (CQB). The Geissele Super Sabra also features an adjustable first stage, which will allow the shooter the ability to fine tune the first...

The Geissele Super SCAR is designed similarly to the Geissele SSA. The Super SCAR is a 4.0lb. non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate trigger control. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: M4 Curved Weapon Platform: SCAR Type: 2 Stage 1st Stage Weight: 2.5 lbs. 2nd Stage Weight: 1.5 lbs. Total Pull Weight: 4.0 lbs. Adjustable: No Recommended Use: Law Enforcement, Home Defense, Hunting Pin Size: Mil-Spec All...

The Geissele Super Select-Fire (SSF) Trigger is a select-fire combat trigger that Geissele Automatics developed for the U.S. Special Operations Community. The SSF is a non-adjustable combat style two-stage trigger that is available in 4.5lb. and 5.5lb. configurations. In semi-automatic mode, the SSF is a precision two-stage trigger that allows precise and accurate trigger control. In fully-automatic mode, the SSF is a single-stage trigger with a smooth, continuous trigger pull and abrupt...

The Geissele Super Semi-Automatic (SSA) trigger is a semi-automatic only version of Geissele Automaticss Super Select-Fire trigger. The SSA is a 4.5lb. non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate trigger control. The SSAs two-stage design allows the trigger to be light enough for accurate and precise shots, but forgiving enough for CQB. The SSA is safety certified by Crane Naval Surface Warfare Center. It is recommended for demanding...

Built on the chassis of the Geissele SSA, the Super Semi-Automatic Enhanced (SSA-E) provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of our combat-proven two-stage trigger. The SSA-Es reduced first and second stage pull weights result in a trigger with a smooth, light first stage take-up and a crisp, candy cane-like second stage break. The SSA-E is ideal for use in precision Squad Designated Marksman type rifles where weapon accuracy and...

Finely-tuned semi-automatic-only version of our full-auto, two stage combat trigger presently used in the U.S. Special Operations Community. The large pin dimension is 0.169 inches, whereas the standard pin dimension is 0.155 inches. Built on the chassis of the Geissele SSA, the Super Semi-Automatic Enhanced (SSA-E) provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of our combat-proven two-stage trigger. The SSA-Es reduced first and second...

The Super Tricon Trigger comes standard with a two-stage design for safety and control; a carrot-like 2nd stage break; full-power hammer spring; tool steel construction; and unique trigger bow design with ribbed surface. Specifications Size: Standard Mil-Spec Pin Trigger Bow Type: Hybrid Weapon Platform: AR15/AR10 Type: 2 Stage 1st Stage Weight: 2.5 lbs. 2nd Stage Weight: 2.0 lbs. Total Pull Weight: 4.5 lbs. Adjustable: No Recommended Use: Law Enforcement, Home Defense, Hunting Pin Size:...