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M4
ROSCO 12.5" M4 5.56 NATO
Cold Hammer Forged
LBE AR 5.56NATO 1/7 TWIST 14.5" BLK
Duty Series
FAXON DUTY BBL 556NATO 13.9" MID GNR
MK18
DD MK18 URG UPPER 556 10.3" MK18 FDE
Premium Black Series
BALLISTIC BBL 223WYLDE 14.5" PRM BLK
Modern Series
BALLISTIC BBL 300BLK 14.5" MODERN
WMD9MMB10-5-1-10
WMD 9MM 10.5" NITROMET BARREL
PDX
MAXIM PDX UPPER 300BLK 5.5" ARID
Ready Build Kit
LBE READY BUILD KIT 14.5" CHF BBL
FN20-100037
FN BBL M16 BB 10.5" CARB LENGTH 556
Mission Configurable Rifle
FIGHT MCR MIL DF UPR 556 MLOK 12.5"
Light Weight
DD BBL 556 14.5" LW MID
Premium Black Series
BALLISTIC BBL 86BLK 12" DRP PST PR B
Precision
SOLGW PREC V2 BBL 223 WYLDE 12.5"
RWR0452
RADIAN UPPER 10.5" 223 WYLDE FDE
12" 8.6 Blackout
Q FIX BARREL ASSEMBLY 8.6 BLK 12"
PDX
MAXIM PDX UPPER 5.56 5.5" BLK
DDM4V7 S
DD M4V7S UPPER URG 11.5" 556NATO
DD07-077-17022-018
DD BBL 556 12.5" GOV CAR
CMMG57DBC33
CMMG BBL AND BCG KIT 5" 5.7X28MM
Broadsword 89
SOLGW L89 BS V2 5.56 11.5" A2 BLK
Bloodline
ROSCO BL BBL SAUCE PACK 10.5" 5.56
MK114
PWS MK114 MOD 2-M UPR 14.5" 223WYLDE
LUTHBL-F14-7
LUTH AR 14.5" SOCOM BBL W/FSB