Date: 31/8/2016 18:15
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Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

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Labor Day 2016

PY-A-4386

1-year limited warranty

$37.99

List Price $42.99 Save $5.00 (11%)

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  • Description
  • Customer reviews
  • Q & A: 6 answered questions
  • Crosman .177-cal. steel breech kit
  • Fits Crosman airgun models 1377,* 1740, 1760 and PC77
  • Will accept the Crosman LPA MIM rear sight

The original rear sight that comes with any of these airgun models will no longer fit on the steel breech. If you want a rear sight, the Crosman LPA MIM rear sight is made for this kit (CR-2300-010[PY-A-4385]).

*This breech does not fit older model 1377 air pistols with a sliding breech cover.


In stock


Item Code: CR-1377SBPK [PY-A-4386]

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5.0 5.0

5.0 5.0

By John from USA on 2016-08-01
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Things I liked: Get this - it makes mounting a scope much more secure, makes the overall piece much better.

4.0 4.0

5.0 5.0

By David from USA on 2016-06-06
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Things I liked: Much smoother cocking action and the 3/8 dovetail .

Things I would have changed: The tiny Allen screw that holds the breech screws in lower than the breech causing the pellet to hang up just before the pellet enters the barrel.

4.0 4.0

4.0 4.0

By GLEN from USA on 2016-06-06
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Things I liked: Steel, steel, steel!!! Solid platform for mounting red dots/scopes. Huge improvement over factory plastic receiver... adds increased stability and support to breech end of barrel.

Things I would have changed: Bolt handle loosens to easily from bolt probe in stock format... wrap threads with a small amount of thread tape. Steel breech with MIM rear sight is EXPENSIVE!

What others should know: Steel breech installed makes this a truly serious pistol. Steel breech topped with a red-dot/scope gives the 1377/1322 the heft and feel of a big revolver. HIGHLY recommend upgrading at time of purchase... this also keeps warranty valid if PA installs.

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  • Robert from USA asked:

    What is the length of the long breech vs the short

    • frank from USA asked:

      Does this breech have a dovetail rail or is it just tapped and ready for a rail to be mounted?

      • 65BAJA from USA asked:

        Does installing this yourself void a new pistol warranty?

        See all discussions

        Compatible with Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

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