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The Catch22 bolt release catch is an upgrade for the standard AR15 catch to enable manual bolt hold open and automatic bolt hold open on .22LR conversions.

It allows manual bolt hold open on all rifles.

It also allows 100% reliable bolt hold open function with Smith & Wesson magazines. A M&P 15-22 magazine shim is available separately to make the M&P 15-22 magazines the same size as AR mags. (£2)

Compatible with Ciener format conversions including:

  • CMMG
  • Ciener
  • Spikes Tactical
  • Tactical solutions

The way it works is basically is to extend the bolt hold open latch and magazine contact point forwards from the standard .223 point at the rear of the magazine. By extending the latch to the .22 feed point and bolt face it allows normal bolt hold open operation. (With a strong follower spring)

Fitting requires a punch pin to partially remove the pin holding the bolt hold open catch so you can swap them (if your AR has a roll pin fitting), if you have a threaded pin then it’s a quick allen key job.

CATCH22 MAG PADS  AVAILABLE £2 EACH. (Stops 15-22 mag wobble)

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