ELF Adjustable Heavy Primer Trigger

Now: $259.00
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The ELF Drop-In Heavy Primer/AR10 Trigger has been built to withstand the punishment of high powered calibers. The only AR-10 trigger using aerospace grade sealed bearings, making for an incredibly smooth and fast trigger pull. Our exclusive .043 double double wound polished piano wire hammer spring ensures full ignition of any ammo including .308 and 7.62x39. Pull weight from 2 3/4lbs to 4lbs is so easy to adjust it can be done in seconds without removing the trigger from your lower receiver. The AR-10 trigger is essentially the service trigger with a lighter pull weight range.

 A second-to-none AR-10 drop-in trigger system that is strong and light, made of wire EDM machined, hardened A2 tool steel and lightweight aircraft-grade aluminum. Installation can be done in minutes using your AR’s original hammer and trigger pins. The AR-10 trigger may be ordered with a curved or straight shoe.

The amazingly short take-up, glass-rod crisp break and next to zero overtravel can be compared to the finest custom 1911 triggers. Adjustability puts you in charge based on your preference. If you are looking for the finest adjustable trigger for your AR-10 platform, this is the trigger system for you


  • Fits any mil-spec AR-10 (Large pin Colt available)
  • Absolutely Drop-Safe regardless of pull-weight 
  • Adjustable from 2 3/4lbs to 4lbs without removing from lower 
  • Exclusive double double wound hammer spring and heavy hammer ensure proper ignition of any ammunition
  • Very short pull and reset allows for rapid follow up shots and greater accuracy
  • Sturdy trigger assembly designed for rugged, trouble-free use; Made of lightweight aircraft-grade aluminum and hardened steel 
  • Unique design of disconnect allows full 1/4” width eliminating possibility of wear and double-firing 
  • High performance trigger and hammer needle bearings for smoother and faster firing 
  • 100% made in America with a Lifetime Guarantee!

Elftmann Tactical LifeTime Warranty

If you experience any issues with an Elftmann Tactical product, please contact Elftmann directly by calling 602-773-9159. The Elftmann Tactical Service Team may be able to assist you with the issue over the phone or they may recommend that you send the trigger in for repair or replacement. If you are directed to send your trigger to Elftmann Tactical, please include a brief note explaining why the item is defective and include your name, address, and phone number along with your original Ground Zero Precision order number (Example: GZP#123456). All LifeTime Warranty requests are given top priority and processed immediately. Your repaired trigger, or a replacement, will be shipped back to you by USPS Mail or by UPS ground, the choice of which will be at Elftmann Tactical's sole discretion.

Return Address:
Elftmann tactical
20118 North 67th Ave
Suite 300 #297
Glendale, AZ 85308


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