Elftmann SE Straight Drop in Trigger Mil-spec .154 trigger and hammer pin holes
The Elftmann SE AR-15 / 308 Trigger Straight .154 Mil-Spec is the perfect choice for those looking for a reliable and high-quality trigger. Also, with its combination of a mid-weight hammer and the exclusive .043 double wound polished piano wire hammer spring, this trigger provides a fast lock time and reliable ignition. Basically, the trigger is made of wire EDM machined, hardened A2 tool steel and lightweight aircraft-grade aluminum, making it extremely durable. It also features a short take up, clean crisp break, and short reset. Also, with a non-adjustable 3.5lb pull weight, this trigger is perfect for those who want a simple and straightforward design. Pairs great with your new Daytona Tactical AR kit!
Elftmann SE Trigger Straight Features:
- Fits any mil-spec AR-15 except large pin colt
- Absolutely Drop-Safe
- Straight trigger bow
- Pull-weight is approximately 50% lighter than that of a standard AR-15 trigger.
- 3.5lb pull weight – non-adjustable
- Exclusive double wound hammer spring
- Very short pull and reset allows for rapid follow up shots
- Aircraft-grade aluminum and hardened steel
- Unique design of disconnector allows full 1/4” width eliminating possibility of wear and double firing
- Made in the USA
- Weight of entire unit is just 2.3oz
- SKU: ELF-SE-S
The Elftmann SE trigger is designed as a performance upgrade for AR-15 and AR-10 pattern lower receivers, providing improved trigger feel over a standard mil-spec group at an accessible price point within the Elftmann line. The .154 pin designation confirms compatibility with standard mil-spec lower receivers using .154-inch trigger and hammer pins — the most common pin size across AR-15 and AR-10 platforms. The SE trigger offers a cleaner break and more consistent pull weight than a standard mil-spec trigger group, making it a practical upgrade for general range use, defensive builds, and shooters looking to improve their AR trigger without moving to the full match tier. Installation uses the factory trigger and hammer pins with no permanent modification required. For AR owners who want a meaningful trigger improvement while staying within a moderate budget, the Elftmann SE is a straightforward drop-in upgrade compatible with standard AR-15 and AR-10 lower receivers.
This pairs naturally with the Elftmann SE AR-15 / 308 Trigger Curved .154 Mil-Spec — see the full lineup in our Triggers & Hammers collection.










