These firearm-specific blocks allow the direct mounting of ACE Skeleton Modular Stocks or an ACE folding mechanism and Modular Stock. Use of a Modular Receiver Block and an ACE AR-15 Stock Interface allows AR-15 Stocks to be easily mounted to the firearm.
Please Note: The AK-47 Internal Receiver Block, product 595009 requires cutting the rear stock tang for installation, and does not fit slant-cut recievers.
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