.17 HMR Full-Length Receiver Extension Spacer
- Nylon spacer used in A2/full-length receiver extensions when the lower receiver is used with a .17 HMR upper receiver assembly.
- This component fills the space left over in a full-length extension after installing the .17 HMR recoil cassette into it.
- The .17 HMR recoil cassette has an overall length designed for use in M4-type receiver extensions.
Approx Weight: 0.20 lb. / Each
Dimensions (LxWxH): 2.50 x 1.00 x 1.00 in.
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