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Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood BTH-80 to LT-115(ARC Optimized) SEM-FCOMP-40P

Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood SEM-FCOMP-40P American Rocket…

Now: $6.11

Was: $6.79

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Semroc Plywood Block or Bulkhead for 54mm tube(2 ring set) SEM-PB-54mm

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used…

Now: $3.99

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Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used…

Now: $3.49

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Gray Design FireFly Altimeter Mount for BT-70 Tube GRD BT-70

Gray Design FireFly Altimeter Mount for BT-70 Tube GRD BT-70 The BT-70 FireFly Altimeter Moun…

Now: $15.99

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Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood(ARC Optimized) SEM-FCOMP-41P

Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood SEM-FCOMP-41P American Rocke…

Now: $6.11

Was: $6.79

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Rocketarium Plastic Nose Cone for BT-70 ROC-PNC-70

Rocketarium Plastic Nose Cone for BT-70 ROC-PNC-70 Ogive plastic nose cones for Standar…

Now: $6.99

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Semroc Body Tube BT-70 22.0" Long with 3 Slots SEM-BT-70-220S3

Semroc Body Tube BT-70 22.0" Long with 3 Slots SEM-BT-70-220S3 Spiral Wound Paper Tube w…

Now: $8.09

Was: $8.99

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Semroc Heavy Duty Body Tube BTH-70 22.0" Long with 3 Slots SEM-BTH-70-220S3

Semroc Heavy Duty Body Tube BTH-70 22.0" Long with 3 Slots SEM-BTH-70-220S3 Spiral Wound…

Now: $9.49

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Semroc Heavy Duty Body Tube BTH-70 22.0" Long SEM-BTH-70-220

Semroc Heavy Duty Body Tube BTH-70 22.0" Long SEM-BTH-70-220 Spiral Wound Paper Tube wit…

Now: $6.74

Was: $7.49

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Semroc 3D Printed Coupler CPL-80 Screw Together 2 pieces(1pk) SEM-CPLS-80-PETG

Semroc 3D Printed Coupler CPL-80 Screw Together 2 pieces(1pk) SEM-CPLS-80-PETG 1 set to c…

Now: $9.49

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Semroc Heavy Duty Body Tube BTH-50mf(Metal Foil Lined) 22.0" Long(1pk) SEM-BTH-50mf-220

Semroc Heavy Duty Body Tube BTH-50mf(Metal Foil Lined) 22.0" Long(1pk) SEM-BTH-50mf-220 S…

Now: $4.99

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Semroc Body Tube BT-80 14.2" Long 3 Fin Slots SEM-BT-80KDS3

Semroc Body Tube BT-80 14.2" Long 3 Fin Slots SEM-BT-80KDS3 Ideal for ARC competition 3 …

Now: $10.79

Was: $11.99

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Semroc Centering Rings Plywood BT-50 to BT-80(2pk) SEM-RA-50-80P

Semroc Centering Rings Plywood BT-50 to BT-80(2pk) RA-50-80P Laser Cut Lite Plywood to fit a B…

Now: $6.11

Was: $6.79

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Semroc Body Tube BT-60(ST-16) 18.0" Long 3 Slots(Estes Star Orbiter) SEM-BT-60180S3

Semroc Body Tube BT-60(ST-16) 18.0" Long SEM-BT-60180S3 Spiral Wound Paper Tube with White/Glassine …

Now: $4.76

Was: $5.29

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Semroc 3D Printed Coupler CPL-70 Screw Together 2 pieces(1pk) SEM-CPLS-70-PETG

Semroc 3D Printed Coupler CPL-70 Screw Together 2 pieces(1pk) SEM-CPLS-70-PETG 3D Printed…

Now: $5.39

Was: $5.99

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Semroc Centering Rings Plywood BTH-52(LT-115)(29mm Motor Tube) to BT-80(2pk) SEM-RA-52H-80P

Semroc Centering Rings Plywood BTH-52(LT-115)(29mm Motor Tube) to BT-80(2pk) RA-52H-80P Lite P…

Now: $6.11

Was: $6.79

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Semroc Coupler for BT-70 tubes 4" length(1pk) Craft Paper SEM-CPL-70-4

Semroc Coupler for BT-70 tubes 4" length(1pk) Craft Paper SEM-CPL-70-4 ID OD&nbs…

Now: $2.51

Was: $2.79

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Semroc Plywood Block or Bulkhead for BT-70 tube(2 ring set)(same RA-70P) SEM-PB-70

Semroc Plywood Bulkhead or Block for BT-70 tube(2 ring set) SEM-PB-70 Used as lightweight bulkheads …

Now: $2.99

Was: $5.99

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Semroc Plywood Block or Bulkhead for BT-80 tube(2 ring set)(same RA-80P) SEM-PB-80

Semroc Plywood Bulkhead or Block for BT-80 tube(2 ring set) SEM-PB-80 Plywood Blocks are used as lig…

Now: $6.79

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Semroc Balsa Tube Adapter BTH-70 to BTH-80 SEM-TA-7080H

Semroc Balsa Tube Adapter BTH-70 to BTH-80 SEM-TA-7080H Balsa Tube Adapter is a precision sa…

Now: $26.99

Was: $29.99

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ARC Parts

Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood BTH-80 to LT-115(ARC Optimized) SEM-FCOMP-40P

Semroc Plywood Block or Bulkhead for 54mm tube(2 ring set) SEM-PB-54mm

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm

Gray Design FireFly Altimeter Mount for BT-70 Tube GRD BT-70

Semroc Laser-Cut Fins Competitive Elliptical(3 fins)1/8" Plywood(ARC Optimized) SEM-FCOMP-41P

Rocketarium Plastic Nose Cone for BT-70 ROC-PNC-70

Semroc Body Tube BT-70 22.0" Long with 3 Slots SEM-BT-70-220S3

Semroc Heavy Duty Body Tube BTH-70 22.0" Long with 3 Slots SEM-BTH-70-220S3

Semroc Heavy Duty Body Tube BTH-70 22.0" Long SEM-BTH-70-220

Semroc 3D Printed Coupler CPL-80 Screw Together 2 pieces(1pk) SEM-CPLS-80-PETG

Semroc Heavy Duty Body Tube BTH-50mf(Metal Foil Lined) 22.0" Long(1pk) SEM-BTH-50mf-220

Semroc Body Tube BT-80 14.2" Long 3 Fin Slots SEM-BT-80KDS3

Semroc Centering Rings Plywood BT-50 to BT-80(2pk) SEM-RA-50-80P

Semroc Body Tube BT-60(ST-16) 18.0" Long 3 Slots(Estes Star Orbiter) SEM-BT-60180S3

Semroc 3D Printed Coupler CPL-70 Screw Together 2 pieces(1pk) SEM-CPLS-70-PETG

Semroc Centering Rings Plywood BTH-52(LT-115)(29mm Motor Tube) to BT-80(2pk) SEM-RA-52H-80P

Semroc Coupler for BT-70 tubes 4" length(1pk) Craft Paper SEM-CPL-70-4

Semroc Plywood Block or Bulkhead for BT-70 tube(2 ring set)(same RA-70P) SEM-PB-70

Semroc Plywood Block or Bulkhead for BT-80 tube(2 ring set)(same RA-80P) SEM-PB-80

Semroc Balsa Tube Adapter BTH-70 to BTH-80 SEM-TA-7080H