This is the letter that my friend received from Glock, Inc. along
with the replacement recoil spring for his Gen4
Dear Valued Glock Customer:
Glock has developed a new design to the recoil spring assemblies (RSA)
in its Gen4 pistols to replace several variations that are functioning
in the market today. To ensure our customer's continued confidence and
enjoyment with their pistol, Glock will replace the recoil spring in the
affected Glock Gen4 model pistol at no cost (Gen 4 G26 and G27 models
are not affected).
The replacement RSAs have been extensively tested and they prove to
funtion as intended with the quality and reliability that is expected
from all Glock products. The replacement of the Gen4 RSA can be
performed as part of the regular field strip process (see Safety
brochure enclosed). There is no need to take your Glock Gen4 pistol to
Having indicated that you own a Glock model Gen4 pistol with an affected
RSA, find enclosed the correct replacement RSA(s) for your Glock model
Gen4 pistol(s) referenced above, a safety brochure to properly replace
your RSA. Also, enclosed is a pre-paid label and packaging for you to
return the old RSA(s) to complete the exchange.
Glock takes the safety of our customers very seriously. Reliability and
quality of our products are always our highest concern. We appreciate
your immediate attention to this matter and apologize for any
inconvenience this may have caused you.
replacement spring verses original
letter from Glock
"GLOCK Inc. is voluntarily exchanging the recoil spring assembly (RSA)
on its new Gen4 pistols (with the exception of G26 and G27 models).
GLOCK has developed a new design to the recoil spring assemblies on its
Gen4 pistols to replace several variations that are functioning in the
market today. As part of the company’s commitment to perfection, we are
voluntarily exchanging the existing RSA in order to ensure our products
perform up to GLOCK’s stringent standards.
GLOCK is replacing the RSA in all Gen4s sold before July 22, 2011 at no
cost. Please complete the following procedure to receive a new RSA. The
RSA can safely and simply be swapped out using normal field stripping
protocols. If you have additional questions, please contact GLOCK at
1-877-745-8523 with your serial number and model number.
1.Call 1-877-745-8523 with your serial number and model number to
request your modified RSA. GLOCK will verify your serial number and
collect shipping information
2.Within 30 days, GLOCK will send you a replacement RSA along with a
pre-addressed envelope to mail in your old spring
3.Ensure your Gen4 is completely unloaded
4.Field strip your GLOCK per the instructions found in your
‘Instructions for Use’ manual that came with your pistol and replace the
old RSA with the new one
5.Place the old RSA in the supplied shipping container and give to the
United States Postal Service (USPS)"
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