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**FREE** insured ground shipping on all ECCO Machine products, **INCLUDING SUPPRESSORS!**
Contact us if you want to upgrade to expedited shipping
*Service work does not qualify for free shipping*
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1.125-28 Alpha Direct Thread Mounts

$71.00

Clear

Description

These direct thread mounts allow you to use your 1.125-28 threaded Alpha (also “Harvester .300″) pattern suppressor in direct thread configuration.  Stainless mounts install/remove with a 12-point wrench/socket, pin wrench or hook type spanner wrench.  Our stainless Alpha direct thread mounts will accommodate AR length tenons of .625″ (5/8”, 16mm).   All stainless Alpha direct thread mounts are barrel shoulder register, including metric; these will NOT register on the muzzle.   If you need a muzzle registering Alpha direct thread mount, please see our ultralight aluminum version:  https://www.eccomachine.net/product/1-125-28-alpha-ultralight-aluminum-direct-thread-mounts/

 

Stainless Alpha Direct Thread Mount specs:

Material: 17-4 H900 stainless steel
Length: .64″ 
Male thread length: .4″
Flange thickness: .15″
Flange diameter: 1.2″
Weight: 1.1-1.3 ounces
Internal thread: Choose option, all are through-threaded unless otherwise noted.
External thread: 1.125-28

Installation and removal can be accomplished with several tools, including a pin wrench or spanner wrench, but 17-4 mounts are designed with a 1-1/16″ 12 point wrench or socket in mind.

In stock Natural finish or Black adapters ship 1-2 business days. Other color options add up to 10 business days.

Want to know more about Alpha pattern threads? Learn more about it here (Scroll to bottom): https://www.eccomachine.net/our-faqs/

Additional information

Alpha DT Muzzle Thread

.578-28, 1/2-28, 1/2-36, 5/8-24, 5/8-32, M13 x .75, M13.5x1LH Sig Taper, M14x1LH, M15x1, M16x1LH, 11/16-24, Ultralight .578-28 Aluminum, Ultralight 1/2-28 Aluminum, Ultralight 9/16-24 Aluminum, Ultralight M13.5×1 LH Aluminum, Ultralight M16x1 LH Aluminum

3 responses to “1.125-28 Alpha Direct Thread Mounts”

    Bill Eisel
    June 8, 2023
    I received my alpha direct thread mount, and it is engineered and manufactured perfectly. I’d rate it better than SilencerCo’s and I received it quickly. Kudos to ECCO!
    Rich S.
    December 14, 2022
    So glad I found EccoMachine.net! I couldn’t believe it when SilencerCo did not make the two Alpha direct thread mounts I needed for my Omega 45K. The ones I received from EccoMachine fit like a glove and cost much less than SilencerCo’s. I highly recommend! #BOYCOTTGoDaddy #BOYCOTTPayPal
    Troy
    December 13, 2022
    This product is of the highest quality and looks great also. Owner made sure I got what I needed for my purposes. Outstanding customer service and support.

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1.125-28 Alpha Direct Thread Mounts
1.125-28 Alpha Direct Thread Mounts
$71.00
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