Extreme Engineering Comet Ignition Kit (5‑Piece)
Classic Commander Styling with a Distinctive Performance Twist
Upgrade your 1911 or 2011 with the Extreme Engineering Comet Ignition Kit, a five‑piece fire‑control system that combines classic Commander styling with a unique comet‑tail hammer profile. At the same time, this kit delivers modern competition performance built for speed, consistency, and long‑term reliability. As a result, you gain a traditional look enhanced by a refined design detail that sets your pistol apart.
Although many shooters focus primarily on the trigger shoe, the true quality of a trigger pull depends on the ignition system. Specifically, the hammer, sear, disconnector, springs, and their geometry control the break, reset, and overall consistency. Because of this, even the most expensive trigger shoe cannot compensate for low‑quality internal fire‑control components.
Why the Comet Ignition Kit Exceeds Factory Fire‑Control Systems
Most factory ignition parts rely on simple induction heat treatment, which produces shallow surface hardness. Consequently, durability suffers and safe tuning becomes difficult without cutting through the hardened layer. Over time, shooters often experience inconsistent trigger pulls, gritty breaks, geometry wear, and gradual trigger‑weight drift.
In contrast, Extreme Engineering machines the Comet Ignition Kit from a premium aerospace‑grade alloy originally developed for rocket booster engine applications. Therefore, the components deliver exceptional strength, superior wear resistance, and long‑term geometry stability. Additionally, the parts arrive fully precision‑machined, which eliminates the need to stone hammer hooks or sear faces. As a result, the system produces a cleaner break, a faster reset, and a longer‑lasting trigger pull than factory or imported ignition sets.
Classic Commander Look with a Modern Edge
Right out of the box, the Comet Ignition Kit delivers a clean four‑pound trigger pull. Moreover, with minor sear spring adjustment, you can achieve a consistent three‑pound competition pull. Because the components retain their geometry, the trigger pull remains stable without drifting over time.
At the same time, the comet‑tail hammer design preserves fast lock time while adding a distinctive visual twist to the traditional Commander profile. Therefore, you enjoy both refined aesthetics and modern performance. Furthermore, Extreme Engineering manufactures every component in the USA and backs each kit with a lifetime warranty against breakage. Compared to imported ignition kits made from inconsistent steel and heat treatment, the Comet Kit offers dramatically higher durability and long‑term value.
The Thunder Mountain Custom Advantage
Only Thunder Mountain Custom includes a custom Standard Sear Spring with the Comet Ignition Kit. Because this spring is precision‑tuned, it delivers a cleaner break, supports lighter pull weights, and improves long‑term consistency. As a result, this kit outperforms standard ignition kits that omit this critical upgrade.
What’s Included in the Comet Ignition Kit
Comet Chamfered Ultra‑Light Hammer
This hammer weighs only 0.7 oz, which helps deliver one of the fastest lock times available. Additionally, Extreme Engineering heat treats it to 50–54 Rockwell C and chamfers it to reduce stress and improve durability. Consequently, the hammer improves trigger response and shot‑to‑shot split times. It fits Colt, Kimber, Springfield, STI, SV, Para, and Springfield Prodigy pistols.
Tactical Precision Sear
Extreme Engineering machines this sear from the same aerospace‑grade alloy used in its premium hammers. It heat treats the sear to 44–46 Rockwell C, which promotes light trigger pull stability, prevents follow‑down, and preserves long‑term geometry. Therefore, it performs reliably in match pistols nationwide.
National Match Disconnector
This lightweight disconnector improves reset consistency while supporting high‑speed cycling reliability. As a result, it enhances double‑tap performance and maintains smooth operation during rapid fire.
Thunder Mountain Custom Standard Sear Spring
This exclusive sear spring delivers a crisp break, stable light pull weights, and a smooth trigger feel. Because it outperforms standard factory sear springs, it significantly improves overall trigger consistency.
Wolff Precision Mainspring
Choose a 15 lb, 17 lb, or 19 lb mainspring to balance trigger feel and ignition reliability. Wolff Precision GunSprings provide consistent performance and long service life.
Compatibility
The Comet Ignition Kit fits 1911 and 2011 platforms from Springfield, Colt, Kimber, STI, SV, Para, and Springfield Prodigy, as well as custom 1911 and 2011 builds.
Important Fitment Notes
Some pistols require thumb safety fitting. Additionally, certain setups require a new thumb safety for proper sear engagement. Therefore, a qualified pistol smith should perform final fitting to ensure optimal performance.
Built for the Serious 1911 and 2011 Shooter
If you are building or tuning a match‑ready pistol, the Extreme Engineering Comet Ignition Kit delivers faster lock time, a cleaner break, lighter and more stable pull weights, and long‑term consistency. Because it combines aerospace‑grade materials, precision machining, a lifetime warranty, and an exclusive Thunder Mountain Custom sear spring, this kit provides elite‑level fire‑control performance that stands up to hard use.
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