f.a.b. defense cobra quick deploy glock stock

The new F.A.B Defense Cobra quick deploy folding stock MSRPs for $123 and requires a Form 1 tax stamp from the ATF. Though that all may sound like a headache, rest assured your Glock will be infinitely more aim-able and faster in placing accurate follow-up shots. Resultantly you'll be more likely to grab it as your go-to firearm. There's a good reason these are used by contractors and executive defense professionals. This from the F.A.B WEBSITE:

The new Cobra folding buttstock provide a quick deployment and flexibility of use. Carry the handgun with the buttstock folded in most OWB holster, and deploy the stock within a fraction of a second. The cobra is provided with four replaceable adapters, for use with Glock® GEN 2-5 G17 or G19 frame models.

• Quick installation, attaches instantly
• No handgun modification required
• Rapid deployment mechanism; extends easily from the folded position into a full length deployed buttstock
• Integrated Cheek Rest
• High traction rubber Butt-Pad
• Can be used with the Scorpus OWB holsters when in the folded position
• Replaceable adapters, fits both G17 & G19 frames in GEN 2-5
• Durable and light weight fiberglass reinforced polymer construction

 Compatibility:
The Cobra stock will fit all of the following Glock models 17, 19, 19X, 22, 23, 24, 25, 31, 32, 34, 35, 45 / GEN 2 - 5. The Cobra stock G17 GEN4 adapter will also fit the IWI JERICHO Polymer full size models- PL, RPL, PSL