Welcome to the Upper Receivers & Conversion Kits department of FS Sportsman. In our Upper Receivers & Conversion Kits department, you will find many popular Upper Receivers & Conversion Kits products. For products like Battle Arms Development, Inc. Lightweight Billet Upper Receiver, M4 Feed Ramp, Laser Engraved Logo, Compatible with FORTIS REV II Rail, Black Anodized Finish 100-016-156, scroll down to browse through our Upper Receivers & Conversion Kits products and find just the thing you've been looking for.

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