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Product	Price	Status/Qty	Last change	Last update
RTB Complete 4.5" 9mm Upper Receiver - BLK \| A2 \| 4.5" M-LOK HG \| With BCG & CH	$287.95	In Stock	3d ago	43m ago
BG Complete 4.5" 9mm Upper Receiver - Black \| FLASH CAN \| 5.5" M-LOK Slant Cut \| With BCG & CH	$289.95	In Stock	3d ago	43m ago
RTB Complete 11" 9mm Upper Receiver - BLK \| A2 \| 9" M-LOK HG \| With BCG & CH	$297.95	In Stock	3d ago	43m ago
BG Complete 16" 5.56 Upper Receiver \| A2 \| 15" Quad M-LOK \| With BCG & CH \| FDE	$303.95	In Stock	3d ago	43m ago
RTB Complete 4.5" 9mm Upper Receiver - Black \| FLASH CAN \| 5.5" M-LOK \| With BCG & CH	$304.95	In Stock	3d ago	43m ago
BG Complete 16" 5.56 Upper Receiver \| A2 \| 12" M-LOK \| With BCG & CH \| FDE	$311.95	In Stock	2d ago	43m ago
RTB Complete 11" 9mm Upper Receiver - Black \| FLASH CAN \| 12" M-LOK \| With BCG & CH	$318.95	In Stock	3d ago	43m ago
RTB Complete 8.3" 9mm Upper Receiver - BLK \| A2 \| 7" M-LOK HG \| With BCG & CH	$337.95	In Stock	3d ago	43m ago
Complete 7.5" 5.56 Pistol Upper Receiver - Black \| A2 \| 7.25" M-LOK \| With BCG & CH	$343.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 12" M-LOK \| Mid Length \| With BCG & CH	$344.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Lightweight Upper Receiver - Black \| A2 \| 12" M-LOK \| With BCG & CH	$344.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 13.5" M-LOK \| Mid Length \| With BCG & CH	$346.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Lightweight Upper Receiver - Black \| A2 \| 13.5" M-LOK \| With BCG & CH	$346.95	In Stock	3d ago	43m ago
RTB Complete 4.5" .22LR Upper Receiver - Black \| 4.25" M-LOK \| Flash Can \| With BCG & CH	$347.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 15" M-LOK \| Mid Length \| With BCG & CH	$349.95	In Stock	3d ago	43m ago
RTB Complete 16" .22LR Lightweight Upper Receiver - Black \| A2 \| 12" M-LOK \| With BCG & CH	$349.95	In Stock	3d ago	43m ago
RTB Complete 8.3" 9mm Upper Receiver - Black \| FLASH CAN \| 9" M-LOK \| With BCG & CH	$349.95	In Stock	3d ago	43m ago
RTB Complete 16" 9MM Upper Receiver - Black \| A2 \| 15" M-LOK \| With BCG & CH	$349.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Lightweight Upper Receiver - Black \| A2 \| 15" M-LOK \| With BCG & CH	$349.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 12" M-LOK \| With BCG & CH	$352.95	In Stock	2d ago	43m ago
RTB Complete 4.5" .22LR Upper Receiver - Black \| 5.5" M-LOK \| Flash Can \| With BCG & CH	$354.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 13.5" M-LOK \| With BCG & CH	$354.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Black \| A2 \| 15" M-LOK \| With BCG & CH	$357.95	In Stock	2d ago	43m ago
Complete 16" 5.56 Carbine Upper Receiver - FDE \| 15" M-LOK \| With BCG & CH	$359.95	In Stock	2d ago	43m ago
Complete 16" 5.56 Carbine Upper Receiver - Black \| 15" M-LOK \| With BCG & CH	$366.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Tungsten \| A2 \| 12" M-LOK \| With BCG & CH	$382.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Sniper Gray \| A2 \| 12" M-LOK \| With BCG & CH	$387.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Tungsten \| A2 \| 15" M-LOK \| With BCG & CH	$387.95	In Stock	2d ago	43m ago
RTB Complete 10.5" 5.56 Upper Receiver - Black \| FLASH CAN \| 12" M-LOK \| With BCG & CH	$389.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Sniper Gray \| A2 \| 13.5" M-LOK \| With BCG & CH	$390.95	In Stock	2d ago	43m ago
Complete 7.5" 5.56 Pistol Upper Receiver - FDE \| FLASH CAN \| 9" M-LOK \| With BCG & CH	$394.95	In Stock	3d ago	43m ago
RTB Complete 16" .22LR Lightweight Upper Receiver - Black \| A2 \| 13.5" M-LOK \| With BCG & CH	$395.95	In Stock	3d ago	43m ago
RTB Complete 16" .22LR Lightweight Upper Receiver - Black \| A2 \| 15" M-LOK \| With BCG & CH	$397.95	In Stock	3d ago	43m ago
RTB Complete 10.5" 5.56 Upper Receiver - Tungsten \| FLASH CAN \| 12" M-LOK \| With BCG & CH	$409.95	In Stock	3d ago	43m ago
RTB Complete 10.5" 5.56 Upper Receiver - Sniper Gray \| FLASH CAN \| 12" M-LOK \| With BCG & CH	$409.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - ODG \| A2 \| 12" M-LOK \| With BCG & CH	$409.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - FDE \| A2 \| 12" M-LOK \| With BCG & CH	$409.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Burnt Bronze \| A2 \| 12" M-LOK \| With BCG & CH	$409.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Tungsten \| A2 \| 13.5" M-LOK \| With BCG & CH	$414.95	In Stock	2d ago	43m ago
RTB Complete 16" .22LR Lightweight Upper Receiver - FDE \| A2 \| 13.5" M-LOK \| With BCG & CH	$414.95	In Stock	3d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - FDE \| A2 \| 13.5" M-LOK \| With BCG & CH	$414.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - ODG \| A2 \| 13.5" M-LOK \| With BCG & CH	$414.95	In Stock	2d ago	43m ago
RTB Complete 16" 5.56 Upper Receiver - Burnt Bronze \| A2 \| 13.5" M-LOK \| With BCG & CH	$414.95	In Stock	2d ago	43m ago
Bushmaster Complete Quick Response Carbine Upper - 16" Upper 5.56 NATO - QRC \| With BCG & CH	$530.00	In Stock	3d ago	43m ago
Bushmaster Complete Quick Response PRO Carbine Upper - 16" Upper 5.56 NATO - QRC-PRO\| With BCG & CH	$539.99	In Stock	3d ago	43m ago
STAG 15 Retro 20" Upper With Chrome Phosphate Barrel In 5.56mm - Left-handed	$589.95	In Stock	3d ago	43m ago
TacFire AR15 Mil-Spec Buffer Tube Kit	$29.95	In Stock	9d ago	42m ago
TS Mil-spec 6 Position Buffer Tube Kit	$30.45	In Stock	9d ago	42m ago
Leapers UTG PRO Mil-spec 6 Position Receiver Extension Tube Kit - Matte Black	$32.95	In Stock	9d ago	42m ago
Anderson Mil-Spec 6 position Buffer Tube Kit	$39.95	In Stock	9d ago	42m ago