BELT FED UPPER
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Purpose Built AR-15 Belt Fed 100% lower receiver (BFAR)
100 % Lower with custom machined M249 feed bag & Nut-Sack attachments. Machined by Cryostructure /Black Widow Arms /SubMOA FFL,...
100 % Lower with custom machined M249 feed bag & Nut-Sack attachments. Machined by Cryostructure /Black Widow Arms /SubMOA FFL,...
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Quickview 
Purpose Built AR-15 Belt Fed 100% lower receiver (BFAR) – SBR REGISTERED
100 % Lower with custom machined M249 feed bag attachment Machined by Cryostructure /SubMOA FFL, this is a 100% lower...
100 % Lower with custom machined M249 feed bag attachment Machined by Cryostructure /SubMOA FFL, this is a 100% lower...
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Quickview 
Purpose Built AR-15 Belt Fed 80% lower receiver (BFAR)
Raw 80 Percent Lower with custom machined M249 feed bag attachment Machined by Cryostructure, this 80 percent lower is not...
Raw 80 Percent Lower with custom machined M249 feed bag attachment Machined by Cryostructure, this 80 percent lower is not...
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