Gun Plumbers Inc - This BCG came out of a new Ruger AR15. It is equipped with the finest YFS fasteners Taiwan has to offer (not kidding...Google them). The staking looks like
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YFS / Fang Sheng Screw Co. 5/16"-24 x 1-1/4" Button Head Hex Screws - 25 each | eBay
FANG SHENG SCREW CO., LTD. (YFS) / 芳生螺絲股份有限公司
FANG SHENG SCREW CO., LTD. (YFS) / 芳生螺絲股份有限公司
UNCK-1/4-2+1/4-P) Value Hex Socket Head Bolt (Cap Screw) UNC (Unified Coarse Threads) — Black Oxide Finish / Pack — from YFS | MISUMI
100%original Yfs M5 X10/12/16/25mm Grade 12.9 Hexagon Socket Head Cap Screw Bolt Black Nickel Plate For Rc Aircraft Rc Cars - Parts & Accs - AliExpress
Yfs Top Brand Good Performance 8mm-50mm Stainless Steel Passivated Shoulder Screws With Hex Screws Socket Head - Buy Yfs Top Brand 8mm-50mm Stainless Shoulder Screws,Good Performance Steel Passivated With Hex Shoulder Screws ,Cheap
YFS Allen bolts 1” for skateboard
YFS® M3*14mm Allen Steel Hexagon Socket Head Cap Screws (20pcs/bag) | Rctimer
YFS Socket Products - Fuller Fasteners : Fuller Fasteners
Class 12.9 Bolts and High Tensile Grade yfs 012.9 Metric Allen Bolt
M3 Hex Socket Button Head Cap Screw, Alloy Steel Metric Class 12.9, ISO 7380
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M5 x 55mm Socket Countersunk Screws (DIN 7991) - Black A2 Stainless Steel: Accu.co.uk: Precision Screws
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YFS Grade 12.9 M3 Socket Flat Countersunk Head Cap Screw Countersunk for FPV RC DIN 7991,Alloy Steel Screw
6) M12-1.75 X 75MM SOCKET HEAD CAP SCREW Blue YFS 12.9 New | eBay
12.9 grade Screws DIN 912 YFS Hex Socket Cap Head Screws M3 M2 | Jinjiuyi
YFS HQ M412mm Countersunk Flat Head Hex Socket Screw Bolt TiN-Plated -Pack of 5: Amazon.com: Industrial & Scientific
FANG SHENG SCREW CO.,LTD. - YFS - Taiwan Fastener Service Cloud
YFS Bolt with Hex Socket from YFS | MISUMI
