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The universal sound moderator Umarex SD4 is suitable for all air rifles up to
.25 (6.35 mm) calibre. Two adapters are included for mounting: left-hand M14
and 1/2 UNF.
25 pcs in stock,
Estimated Delivery:
October 28 - November 2.
$ 44.7
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New videos and reviews every day 6000+ reviews from our customers The universal sound moderator Umarex SD4 is suitable for all air rifles up to .25 cal / 6.35 mm.
Its high efficiency (25 dB) is thanks to the 6-chamber design machined from aluminium using CNC technology.
To ensure maximum compatibility, it is supplied with two threaded adapters – left-hand M14 and 1/2 UNF.
The tube of the shock absorber is made of aluminum; the inner baffles are plastic.
16× rated
By submitting your review, you are agreeing to our review guidelines. It will be published once we make sure it corresponds with our terms and conditions.
Petr Střeleček
04.11.2025
Machine translation
I was pleasantly surprised by the excellent damping, which is, however, more
effective for larger calibers of 5.5 and 6.35 mm due to the 8.5 mm
partitions.
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