SCAR users now have another choice in extension rails. The PWS SRX (SCAR Extension Rail) extends the available rail space on the SCAR by 5″. In addition to the 3, 6, and 9 o’clock rails, it adds a 12 o’clock rail in front of the front sight which is popular place to mount a light like the Surefire X300. The SRX only adds 7.9 ounces to the weight of the SCAR which is a good trade off for the additional functionality.
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