View Full Version : HK USPc Question
What's the purpose of the plastic spacer on the guide rod?
That is a recoil buffer. It supposedly lowers the felt recoil of the pistol. I've never shot my USPc without it, so I'll have to take HK's word for it.
H&K 4 LIFE
Correct, it is a recoil buffer.
The USP Compact utilizes a free floating buffer while the USP fullsize utilizes a dual recoil spring assembly.
Thanks. I've had my USPc for years and never knew why it was there.
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