Description
Anodized aluminum with proper dimensions to mate properly with Black Widow Arms receivers.
Propper mag pouch placement for M249 ammo pouches for use with Lima Six upper receiver groups.
Solid retention to lower receiver using set screws.
- Product Weight: .20 LBS (3.3 Oz)
- Product Dimensions: H .922″ W 1.085″ L 3.25″
- Designed and Made in USA
- Billet Machined 6061-T6 Aluminum
- Type II Anodized
To 3D print the dovetail style fill block, download the .STL file here.







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