<div class="sw--display-block sw--text-white sw--bg-dark-gray"> <div id="emailModalContentContainer"> <span class="noty_close sw--position-absolute sw--position-right sw--padding-top-3 sw--padding-right-3 icon-cancel sw--opacity-8 sw--z-index-10"></span> <div class="sw-row"> <div class="sw--position-relative sw--display-block sw--padding-3"> <p class="sw--font-size-16 sw--margin-bottom-2 sw--margin-right-6">Sign up to hear about special promotions</p> <form action="/register/email-signup" class="sw--position-relative" data-confirmation="emailConfirmationModal" data-sw-email-modal-form> <input type="text" class="sw--input-height__medium" style="width:60%;" placeholder="Email address" name="email" /> <input type="hidden" class="" name="location" value="/product/AY9CH58EC/v2-g-g-gr25-hopup-spacer-for-m4-unit" /> <input type="hidden" class="" name="confirmation" value="emailConfirmationModal" /> <input type="submit" class="btn-primary sw--margin-left-1" value="Subscribe" /> <div id="emailModalFormError" class="text-error" style="display:none"></div> </form> </div> </div> </div>

Click and drag to rotate
V2: G&amp;G GR25 Hopup spacer for m4 unit 3d printed

Not a Photo

White Strong & Flexible
V2:  G&G GR25 Hopup spacer for m4 unit  3d printed
V2:  G&G GR25 Hopup spacer for m4 unit  3d printed

Not a Photo

V2: G&G GR25 Hopup spacer for m4 unit

3D printed in white nylon plastic with a matte finish and slight grainy feel.
All orders are backed by our
All orders are backed by our
Money Back Guarantee.
Product Description
Difference from first version, is that m4 hop well is 2mm deeper, so you can add o-ring, to stabilize nozzle.
For Polarstar F2 size is 7x2,5 and for stock nozzle size is 7x2.
Do not forget lubricate.
If you think that you have sticking nozzle, just use small size grind paper and enlarge o-ring inside.
Do not forget to lube.
What's in the box:
2.2 x 2.2 x 1.78 cm
Switch to inches
0.87 x 0.87 x 0.7 inches
Switch to cm
Success Rate:
First To try.
What's this?
Mature audiences only.
Sign In or Join to comment.


We're sorry to inform you that we no longer support this browser and can't confirm that everything will work as expected. For the best Shapeways experience, please use one of the following browsers:

Click anywhere outside this window to continue.