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(2 customer reviews)



  • Adapter made from PA12 Nylon. Silencer and Thread Cap made from ABS plastic.
  • 3D printed in the USA. Sold and shipped by veteran/family-owned business
  • Silencer features 7 cone-shaped baffles and expansion chamber at muzzle exit
  • Dramatically reduces report while maintaining stock accuracy and muzzle velocity
  • FREE SHIPPING to lower 48 US States. Ships same or next business day via USPS 2-5 day mail


Our 13XX Silencers have been our most popular silencers. I’ve learned a lot since the first model and have gotten a lot of feedback on the design. Many lessons learned and your feedback has resulted in a much improved Silencer for the 1377/1322. I’ve incorporated a front sight post, made the silencer easier to remove, reduced the affects on accuracy and muzzle velocity, maintained the same reduction in report, and reduced the cost all at the same time.

We still use super tough PA12 Nylon on the adapter portion of the kit. The Silencer and Thread Cap are printed in ABS plastic in house(or garage…). The Silencer and Cap are the same that is used on our Crosman 1077, M4-177, and Daisy 880 Kits. The installation process is much the same as our earlier versions. I highly suggest that you view the installation video below before purchasing:

Additional information

Weight3 oz
Dimensions5.75 × 3 × 1.2 in

2 reviews for CROSMAN 1377/1322 SILENCER KIT

  1. Brian Kim-Eng (verified owner)


    First of all, my order was shipped out the same day I placed it so that’s excellent!

    TLDR: the parts are an excellent fit, well printed and finished, and provide excellent sound reduction. Near 10db measured by me (phone app). The terms “moderator” and “ldc” are used interchangeably.

    The replacement threaded nylon barrel bushing / pump piece is very well done. I have a few 3d printed items and this part looks and feels injection molded; no seams to speak of. The fit with stock parts is better than the original Crosman part and is very rigid. A great choice for those looking to add a moderator to this short barrel. Competitive metal pieces cost $70 plus so this is a no brainer part.

    One thing I don’t know, due to inexperience, is if this part is threaded 1/2×20 unf to accept other ldc. Though I don’t know why you would bother with the performance of the stock ldc.

    The ABS moderator itself:
    Straight and threaded perfectly for the male part on the gun. Obvious print lines are present but at 1 foot away you can’t tell; it’s nothing some 500 grit and a rattle can can’t overcome. The ABS is much stronger than I had anticipated and feels quite durable. No defects or baffle issues detected upon testing. New iron sights are useable with this set-up.

    Total sound reduction: On 3 and 6 pumps is 10-15db with an android app. This was with 14.3 and 17gr projectiles. Noise reduction is significant to the point where target impact noise is louder. This is now 100% backyard friendly minus the space-gat look. I’m really happy with it.

    Time will tell on some of the fittings and overall wear and tear but initial quality for $25 is through the roof. A great set of items that over-provide the advertised function and over deliver on quality.

    I will be back for more!

  2. Wendell Adams (verified owner)

    Received it this morning and I’m very impressed!
    Very sturdy, a bigger, robust front sight/barrel band ,thread size is bigger than 1/2-20 and that’s fine.
    LDC interchangeable with included thread protector (aka FLASH HIDER!) this is a Super set up, and makes my 1377 RC very quiet.

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