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Geissele Automatics® Single-Stage Precision (SSP) Premium Rifle Trigger – Flat Bow Profile – Mil-Spec 0.154" Small Pin Interface – Precision Wire EDM S7 Tool Steel – Black Oxide Finish – 05-483
Product Description
The Geissele Automatics® Single-Stage Precision (SSP) Flat Bow Trigger (05-483) represents an elite mechanical breakthrough in high-speed tactical rifle triggers and fire control logistics, masterfully engineered in North Wales, Pennsylvania, to deliver an instantaneous, zero-creep hammer release. Serving as Geissele's first true, zero-take-up single-stage release architecture for the AR platform, this combat-vetted module completely discards the long internal travel strings of traditional triggers. While baseline factory military-spec triggers and typical budget single-stage components suffer from gritty take-up, rough creep, and sloppy overtravel—inducing accuracy-destroying hand tremors that pull your muzzle axis off-target right at the break—the SSP configuration establishes a pristine, glass-like mechanical baseline. This high-efficiency system asset (817953021958) provides an indispensable primary upgrade for long-range varmint hunting, high-tempo 3-Gun competition staging, and ultra-precise defensive carbine assemblies.
The core structural and kinematic foundation of this single-stage powerhouse is precision wire EDM cut from a solid block of heavy-duty, high-impact S7 tool steel. Renowned across premium tool and firearms manufacturing for its immense shock resistance and inability to deform under continuous high-impact loading cycles, this hardened steel core ensures the target engagement surfaces remain crisp and square over hundreds of thousands of rounds. The complete trigger and hammer assembly is treated with a premium, friction-reducing black oxide corrosion-resistant coating. This specialized chemical conversion surface creates a smooth, self-lubricating outer skin that stabilizes friction values, ensuring your pull weight stays perfectly consistent regardless of carbon caking or environmental debris inside your lower receiver tracking slots.
The true operational triumph of this American-built performance masterpiece lies in its hyper-fast kinematic timing and specialized ergonomics. Outfitted with a **computer-tempered 3.5-lb internal reset spring**, the trigger breaks cleanly inside a tight **3.0 to 3.75 lbs pull weight window** with absolutely zero pre-travel or slop. It boasts an ultra-short, lightning-fast 5ms lock time, minimizing the physical delay between trigger actuation and primer ignition to virtually eliminate human tracking error on long-range targets. The integrated flat trigger bow lengthens the mechanical leverage line, allowing the operator's finger to settle naturally into a lower position to lower perceived pull weight while maintaining a highly repeatable index vector. Completed by an ultra-short, crisp, and tactile mechanical reset that slams back into engagement with distinct physical feedback, this 0.10-pound fire control unit grants absolute structural authority downrange.
Includes: (1) Geissele Automatics SSP Single-Stage Precision Flat Bow Trigger Assembly (S7 Tool Steel Hammer, S7 Flat Bow Trigger, Internal Disconnector, 3.5-lb Spring Assembly), (2) Standard Mil-Spec Trigger/Hammer Pins, (1) Small Pin Slave Pin Assembly, Core Lubrication Capsule, and Factory Original Branded Protective Retail Storage Staging Box.
*Receiver Fitment & Platform Restriction Guidance: The Geissele SSP 05-483 trigger is calibrated exclusively for standard, Mil-Spec pattern small-pin receiver blocks utilizing **0.154-inch trigger and hammer pin paths** across standard AR-15 and AR-10/LR-308 platform layouts. It is critically important to note that Geissele AR triggers are **NOT compatible with SIG Sauer® MPX or MCX modular weapon systems, nor are they rated for use inside Pistol Caliber Carbine (PCC) blowback variants of the AR-15/M4**. Attempting to run this precision tool steel matrix inside high-impulse PCC or MCX carriers will violently fracture internal safety links, voiding the factory warranty. Always confirm your receiver pin spacing before executing field workbench installation strings.
Key Features
- True Zero-Take-Up Single Stage: Features absolutely no pre-travel slack or staging travel, breaking instantly like a fragile icicle the moment index pressure is applied.
- Precision Wire EDM S7 Core: Cut from ultra-tough S7 combat tool steel to ensure trigger sear edges resist rounding and tracking wear over severe operational lifetimes.
- Ergonomic Dynamic Flat Bow: Straight trigger handle profile maximizes finger pad leverage while promoting a consistent, flat-angle trigger press loop.
- Lightning-Fast 5ms Lock Time: High-velocity internal geometry minimizes hammer arc transit timing, ensuring downrange accuracy is preserved before target movement occurs.
- Durable Black Oxide Surface: High-end chemical conversion coat seals raw steel elements away from moisture while minimizing internal mechanical dragging resistance.
- Short, Distinct Tactile Reset: Delivers a highly audible, physical return snap that allows for blistering follow-up split times during rapid competition or defense strings.
Product Specifications
- Brand: Geissele Automatics® (North Wales, Pennsylvania, USA)
- Product Line: Single-Stage Precision (SSP) Match & Service Component Series Matrix
- Model Series Designation: Geissele SSP Single-Stage Trigger with Flat Bow
- SKU / MPN: 05-483 (Alternative Industry References: GAT-05-483 / 05483 / SD-SSP)
- Firearm Receiver Interface: Standard Mil-Spec AR-15 & AR-10 / LR-308 Lower Configurations
- Platform Mounting Pin Size: Small Pin Layout Standard (0.154-Inch Diameter Pins)
- Platform Fitment Exclusions: Incompatible with SIG MCX/MPX & 9mm Blowback AR Pistol Caliber Carbines (PCC)
- Trigger Stage Class: True Single-Stage Mechanism (Zero Slack / Zero Take-Up Design)
- Factory Pull Weight Range: 3.0 lbs – 3.75 lbs (Nominal 3.5-lb Spring Assembly Included Fixed)
- Trigger Bow Type Profile: Straight / Flat Profile with Dynamic Index Foot Hook
- Material Composition Core: High-Yield Wire EDM Machined Heavy-Duty S7 Structural Tool Steel
- Surface Protection Coating: Self-Lubricating Corrosion-Resistant Deep Black Oxide Finish
- Primary Application Track: Long-Range Precision Shooting, Varmint Hunting, Tactical Duty, and 3-Gun Match Competition
- Product Net Component Weight: ~0.10 lbs (~1.60 oz) - Low-Mass High-Response Fire Control Core
- Total Packaging Shipping Mass: ~0.45 lbs (Enclosed Inside Original Branded Padded Protective Staging Box)
- UPC Barcode: 817953021958
