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Questions & Answers
is this a dead blow buffer with sliding weights?

Yes it is and has been confirmed!

by Red, Verified Owner, May 9, 2025
Can this buffer be used for an AR10 build (308)?

https://www.opticsplanet.com/kaw-valley-precision-ar-10-car-ss-tungsten-buffer.html. here's the AR10 Buffer.. using a long buffer in an AR10 will create a short-stroke situation

by Tom, Verified Owner, August 8, 2025
Customer Reviews
Helpful Positive Review no more bolt bounce by CR, Verified Owner, December 8, 2024
I have a relatively light bolt in my 9mm pcc and this brought it up to the magic number of 24 ounces . It now runs like a top and eliminates bolt bounce so no chances for outbof battery case pops. Also on a side note for anyone wondering since it isn...
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1/1 found this helpful
Helpful Positive Review Works great for AR-9 builds by Ryan Hidalgo, Verified Owner, January 17, 2022
I purchased this buffer after a lot of research into building/tuning a 9mm AR-platform pistol/carbine. Since they operate on direct blowback, it is important to adjust your total reciprocating mass to reduce felt recoil, ensure proper cycling, preven...
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10/10 found this helpful
Helpful Positive Review Works great! by Mike G, Verified Owner, April 14, 2024
I used this in my Pro2A .40 cal PCC and it really reduced the recoil and made it feel smoother when fired. The gun originally came with an 8 oz buffer that was starting to look chewed up like it was hitting the back of the buffer tube with too much ...
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1/1 found this helpful
Helpful Positive Review Flawless performance with FM9 by MrJobu, Verified Owner, September 12, 2024
I bought this to use with my FM9. So far, after a few hundred rounds it has performed flawlessly with standard FMJ 115gr loads. I believe the buffer and the FM9 bolt weight put it into the upper range on recommended PCC reciprocating mass, but I've e...
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1/1 found this helpful
Helpful Positive Review Awesome ss pcc buffer by DragonSlayer, April 21, 2024
The price and quality are top notch. Really made of stainless steel! And no burr's on any edges. Dead blow weights inside a big plus to mitigate bolt bounce
1/1 found this helpful
Helpful Positive Review great upgrade to epc9 by Question-asker, Verified Owner, October 19, 2023
Much smoother blowback and less muzzle rise compared to a standard 9mm buffer. Shifting weights inside also prevent bolt bounce and therefore out of battery detonations. I highly recommend this as an AR9 upgrade.
1/1 found this helpful
Read All 20 Reviews
Color: Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Gas System Length: Carbine Length Length: 4.125 inWeight: 10 ozCondition: New

Code: 4S3-RBF-LC28-KVP-10OZ

MPN: KVP-10oz

UPC: 752830307711

List: $69.95Save 21%
$54.95

Product Info for Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer

Pistol caliber carbines such as 9mm, .40 S&W, .45 ACP, and 10mm are a blast to shoot but can be tough on AR-15's internal components....Add a suppressor, and the increased back pressure can cause tremendous damage, without properly tuning ytheir blowback system. The KVP 10 oz tungsten blowback buffer helps tame the destructive forces in suppressed and standard blowback AR15's. Do yourself a favor and fine tune ytheir setup for the softest shooting PCC possible!image

Specifications for Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer:

Manufacturer: Kaw Valley Precision
Color: Stainless Steel
Fabric/Material: Stainless Steel
Gun Make: AR Platform
Gun Model: AR-15
Gas System Length: Carbine Length
Length: 4.125 in
Weight: 10 oz
Condition: New
Projectile Caliber: .355 Caliber, .40 Caliber
Caliber: 9mm Luger, 10mm Auto

Features of Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer

  • Increases AR-15's dwell time in blowback setups
  • Quiets action (better for suppression) - 10.3-10.5 oz actual weight (tungsten weights can vary slightly) - 4 1/8 OAL (Buffer spacer is NOT required)
  • Increases Reciprocating mass and weapon reliability
  • Reduces wear on critical internal parts
  • Reduces felt recoil
  • Designed only for Carbine Length Stock and pistol kits

Package Contents:

  • Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer

Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer Orderable Models

List of Orderable Models

Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer, 10 oz, Small, KVP-10oz , MPN: KVP-10oz , UPC: 752830307711 , Code: 4S3-RBF-LC28-KVP-10OZ

Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer Unavailable & Discontinued Models

List of Unorderable Models

USED, Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer, 10 oz, Small, KVP-10oz , MPN: KVP-10oz-EDEMO , Code: 4S3-RBF-LC28-KVP-10OZ-EDEMO-RE-B
USED Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer, 10 oz, Small, KVP-10oz, EDEMO5, Used, Condition Like New , MPN: KVP-10oz-EDEMO5 , Code: 4S3-RBF-LC28-KVP-10OZ-EDEMO5
USED Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer, 10 oz, Small, KVP-10oz, EDEMO6, Used, Condition Fair , MPN: KVP-10oz-EDEMO6 , Code: 4S3-RBF-LC28-KVP-10OZ-EDEMO6
USED Kaw Valley Precision Stainless Steel Heavy Tungsten Buffer, 10 oz, Small, KVP-10oz, EDEMO7, Used, Condition Like New, Inspect and Rebox , MPN: KVP-10oz-EDEMO7 , Code: 4S3-RBF-LC28-KVP-10OZ-EDEMO-RE-A
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