KVP Pistol Caliber Carbine XP Spring
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Tame Your PCC with KVP’s 17-4 SS Carbine XP Recoil Spring
Pistol caliber carbines bring grin-inducing fun but can wreak havoc on AR-15 components without proper tuning. That’s where KVP’s XP recoil spring comes in. Engineered from durable 17-4 stainless steel, the XP spring packs extra preload to extend the dwell time in blowback PCC actions. This keeps the system closed longer for smoother cycling, less wear, and enhanced suppression capability.
Ideal for 9MM, 10MM, .40 S&W, and .45 ACP setups in carbine length buffers. The XP spring reduces felt recoil for improved control and quiets action noise for discretion. Stop babying your PCC – equip it with a proper blowback-taming recoil spring designed for the unique demands of pistol-caliber AR platforms. KVP’s 17-4 SS XP spring brings the reliability and tunability your PCC needs to run right.
XP Spring Features:
- Increases AR-15’s dwell time in blowback setups
- Increases Pre-load
- Quiets action (better for suppression)
- Reduces felt recoil
- Designed only for Carbine Length Stock and pistol kits.
Installation
Specifications
- Brand: Kaw Valley Precision
- Model: Pistol Caliber Carbine XP Spring
- MPN: KVP-PCC-XP-Spring
- Caliber: 9mm, 40 S&W, 45 ACP, and 10mm
- Material: 17-4 Stainless Steel
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Warranty & returns
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

















