Is it possible to switch from a double turn turret to a single turret, or are the internal workings different?
Thanks
Thanks
Rifle Scopes S&B turrets
- Thread starter goatliver
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Re: S&B turrets
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: goatliver</div><div class="ubbcode-body">Is it possible to switch from a double turn turret to a single turret, or are the internal workings different?
Thanks </div></div>
The answer to your question is entirely dependant upon the particular PMII you're interested in <span style="font-weight: bold">and whether you want <span style="font-style: italic">0.1 MIL (1/10th MIL) increments or .25 MOA (1/4 MOA) turret increments.</span></span> The (older) PMII 4-16X's have less travel than the PMII 5-25X[56mm]s', PMII 3-12X[50mm]s', the PMII 3-20X[50mm].
For instance, the PMII 5-25X[56mm]s' only come in DT (Double Turn) Turrets in both the 0.1 MIL (1/10th MIL) increment and .25 MOA (1/4 MOA) increment versions. That's because the extensive travel of the PMII 5-25X[56mm] (26.0 MIL's in the 0.1 version and 65 MOA in the .25 MOA version) requires more than a ST (Single Turn) Turret can accomodate in either increment.
On the other hand, the 0.1 MIL (1/10th MIL) versions of the PMII 4-16X[42mm]s' and PMII 4-16X[50mm]s' can only be had in ST (Single Turn) 0.1 MIL (1/10th MIL) Turrets while the .25 MOA (1/4 MOA) versions of the PMII 4-16X[42mm]s' and PMII 4-16X[50mm]s' can only be had in DT (Double Turn) Turrets. The reason for this is that the 4-16Xs' have substantially less travel (13.0 MIL's in the 0.1 versions and 56 MOA in the .25 MOA versions). Because 0.1 MIL is a more coarse adjustment than .25 MOA and there is a finite number of "clicks" that fit in turret's revolution the full 13 MIL's of the 0.1 MIL PMII 4-16Xs' can be accomodated in a ST, but the .25 MOA versions need a DT Turret.
There are various PMII 3-12X[50mm] scopes that can be had in ST and DT Turret configuration, but the features and specs would take more time to type-out than I can spare right now (IIRC, there are eight [8] 3-12X[50mm] configurations not counting the different reticles). If I were you I would call or email <span style="font-weight: bold"><span style="font-style: italic">Schmidt Bender, USA</span></span> and request a current catalog. In my experience S & B is quite receptive to verbal and written communication and requests. By studying the catalog it will be apparent what scopes are available in ST and/or DT Turret configuration and what the specified travel is for each scope. And if you're confused you can always call Schmidt Bender and talk to someone there who will answer you questions or put you in touch with someone who can.
Research is your friend and is key to buying the right scope for your application(s). If you progress to the point where you are interested in buying a PMII you should also read <span style="font-weight: bold"><span style="font-style: italic">"Section 4.2"</span></span>, <span style="font-weight: bold"><span style="font-style: italic">"Adjustment range and forward angle"</span></span> on page 3 of the <span style="font-weight: bold"><span style="font-style: italic">"2006 PMII User Manual"</span></span>. Pay close attention so you can order a base with the correct cant the first time. <span style="font-weight: bold"><span style="font-style: italic">"Section 4.2"</span></span>), <span style="font-weight: bold"><span style="font-style: italic">"Adjustment range and forward angle"</span></span> begins on page 3 and concludes on page 4. If you get confused I can refer you to some of my posts that clarify the diagram's in that section and why S & B's recommention that base cant be selected based on the particular PMII being mounted <span style="font-style: italic">if you want to have access to the full range of adjustment that is engineered into PMIIs'.</span>
Keith
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: goatliver</div><div class="ubbcode-body">Is it possible to switch from a double turn turret to a single turret, or are the internal workings different?
Thanks </div></div>
The answer to your question is entirely dependant upon the particular PMII you're interested in <span style="font-weight: bold">and whether you want <span style="font-style: italic">0.1 MIL (1/10th MIL) increments or .25 MOA (1/4 MOA) turret increments.</span></span> The (older) PMII 4-16X's have less travel than the PMII 5-25X[56mm]s', PMII 3-12X[50mm]s', the PMII 3-20X[50mm].
For instance, the PMII 5-25X[56mm]s' only come in DT (Double Turn) Turrets in both the 0.1 MIL (1/10th MIL) increment and .25 MOA (1/4 MOA) increment versions. That's because the extensive travel of the PMII 5-25X[56mm] (26.0 MIL's in the 0.1 version and 65 MOA in the .25 MOA version) requires more than a ST (Single Turn) Turret can accomodate in either increment.
On the other hand, the 0.1 MIL (1/10th MIL) versions of the PMII 4-16X[42mm]s' and PMII 4-16X[50mm]s' can only be had in ST (Single Turn) 0.1 MIL (1/10th MIL) Turrets while the .25 MOA (1/4 MOA) versions of the PMII 4-16X[42mm]s' and PMII 4-16X[50mm]s' can only be had in DT (Double Turn) Turrets. The reason for this is that the 4-16Xs' have substantially less travel (13.0 MIL's in the 0.1 versions and 56 MOA in the .25 MOA versions). Because 0.1 MIL is a more coarse adjustment than .25 MOA and there is a finite number of "clicks" that fit in turret's revolution the full 13 MIL's of the 0.1 MIL PMII 4-16Xs' can be accomodated in a ST, but the .25 MOA versions need a DT Turret.
There are various PMII 3-12X[50mm] scopes that can be had in ST and DT Turret configuration, but the features and specs would take more time to type-out than I can spare right now (IIRC, there are eight [8] 3-12X[50mm] configurations not counting the different reticles). If I were you I would call or email <span style="font-weight: bold"><span style="font-style: italic">Schmidt Bender, USA</span></span> and request a current catalog. In my experience S & B is quite receptive to verbal and written communication and requests. By studying the catalog it will be apparent what scopes are available in ST and/or DT Turret configuration and what the specified travel is for each scope. And if you're confused you can always call Schmidt Bender and talk to someone there who will answer you questions or put you in touch with someone who can.
Research is your friend and is key to buying the right scope for your application(s). If you progress to the point where you are interested in buying a PMII you should also read <span style="font-weight: bold"><span style="font-style: italic">"Section 4.2"</span></span>, <span style="font-weight: bold"><span style="font-style: italic">"Adjustment range and forward angle"</span></span> on page 3 of the <span style="font-weight: bold"><span style="font-style: italic">"2006 PMII User Manual"</span></span>. Pay close attention so you can order a base with the correct cant the first time. <span style="font-weight: bold"><span style="font-style: italic">"Section 4.2"</span></span>), <span style="font-weight: bold"><span style="font-style: italic">"Adjustment range and forward angle"</span></span> begins on page 3 and concludes on page 4. If you get confused I can refer you to some of my posts that clarify the diagram's in that section and why S & B's recommention that base cant be selected based on the particular PMII being mounted <span style="font-style: italic">if you want to have access to the full range of adjustment that is engineered into PMIIs'.</span>
Keith
