Gemtech Threaded Rear Mount, 1/2X28, Black
Original price was: $75.00.$71.25Current price is: $71.25.
Gemtech Threaded Rear Mount, 1/2X28, Black. Threaded endcap adapter for GM-9 and MULTIMOUNT suppressors on fixed barrel carbines and SMGs. Most handguns require Gemtech’s LID mount instead.
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The Gemtech Threaded Rear Mount is a threaded endcap adapter designed for use on GM-9 and MULTIMOUNT suppressors when used with fixed barrel carbines and SMGs. It is threaded at 1/2×28, and because of this, it provides a secure interface between the suppressor endcap and the host firearm’s fixed barrel. As a result, it allows the GM-9 and MULTIMOUNT to function reliably on fixed barrel platforms where the standard rear-mount method would not apply.
In addition, most handguns require the use of Gemtech’s LID mount for proper function, so this adapter is specifically intended for fixed barrel carbine and SMG applications. Furthermore, it is machined to Gemtech’s tolerances for a consistent, rattle-free fit on compatible suppressors. Moreover, the Black finish keeps the adapter looking clean and consistent with standard suppressor hardware. The 1/2×28 thread pitch is a widely used standard found across a variety of fixed barrel carbine and SMG platforms, which makes it a versatile choice for suppressed builds that need rear-mount compatibility. When setting up a GM-9 or MULTIMOUNT on a fixed barrel host, the Gemtech Threaded Rear Mount is the correct adapter to complete the installation cleanly and securely.
However, this adapter is not intended for handgun use, and compatibility is specific to the GM-9 and MULTIMOUNT suppressor models. Therefore, confirm that your host firearm is a fixed barrel carbine or SMG before ordering.
Gemtech Threaded Rear Mount Key Features
- Threaded endcap adapter for GM-9 and MULTIMOUNT suppressors
- Designed for fixed barrel carbines and SMGs
- Thread pitch: 1/2×28
- Most handguns require Gemtech’s LID mount instead
- Color: Black
Specifications
| UPC | 609728889210 |
|---|---|
| Manufacturer | Gemtech |
| Manufacturer Part # | 12172 |
| Model | Threaded Rear Mount |
| Type | Mount |
| Fit | 1/2X28 |
| Color | Black |
| Compatible Suppressors | GM-9, MULTIMOUNT |
| Subcategory | Suppressor Accessories |
The 1/2×28 thread pitch is the standard muzzle thread for 5.56 NATO and .223 Remington AR-15 rifles, making this rear mount compatible with the vast majority of threaded AR-15 and other rifle muzzles configured for 5.56-class suppressors. Installing the mount before acquiring the suppressor allows the host firearm to be prepared and the mount properly timed in advance, so the suppressor can be attached immediately once it clears the transfer process.
| Type | Mount |
|---|---|
| Model | Threaded Rear Mount |
| Fit | 1/2X28 |
| Color | Black |
| Brand |
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Frequently Asked Questions
What is the Gemtech Threaded Rear Mount used for?
The Gemtech Threaded Rear Mount is the muzzle-end component of Gemtech’s suppressor quick-attach system. It threads onto the host firearm’s muzzle and provides the interface point that a compatible Gemtech suppressor locks onto for fast, tool-free attachment and detachment.
What thread pitch is 1/2×28?
1/2×28 refers to a 1/2-inch diameter muzzle thread with 28 threads per inch — the standard muzzle thread for 5.56 NATO and .223 Remington AR-15 rifles. It is the most common thread pitch on AR-15 platform barrels and is compatible with the majority of 5.56-class muzzle devices and suppressor mounts.
Does the host firearm function normally with this mount installed but no suppressor attached?
Yes. The Gemtech Threaded Rear Mount functions as a standard muzzle device when the suppressor is not attached, allowing the firearm to be used normally. It is a practical choice to install the mount ahead of suppressor acquisition so the host rifle is already prepared when the suppressor completes the NFA transfer process.
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