Precision R-hop Barrels

There is a ton of variables that play in improving how a BB flies through the air. Ensure your gun has the best barrel it can possibly have with one of our custom hand made R-hopped barrels.
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21 products

Umbrella Armory R Hop Prometheus Barrels
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Umbrella Prometheus 6.03 EG inner barrel with R-hop
From $115.00

12 reviews
Umbrella Armory Flat Hoppe Madbull blue Bucking 60 degree
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Umbrella Flat-Hopped Modified Madbull Blue 60-Degree Bucking
$15.00

2 reviews
inner barrel stabilizer o ring
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Inner Barrel Assembly Stabilizer O-Ring (10pc)
$5.00
Umbrella Armory Prometheus 6.03 Inner Barrel EG with R-Hop and Prowin M4 Hop-Up Unit
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Umbrella Prometheus 6.03 EG inner barrel w/ R-Hop and Prowin M4 Hopup
From $175.00

7 reviews
Umbrella Armory Flat R Hop Hop Up Arm Set Of 2
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Umbrella Flat R-Hop Hopup Arm (Set of 2)
$12.00 $16.00 On Sale

1 review
krytac rotary hop up unit
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Surplus Krytac V2 Rotary Hop-up Unit
$14.95 $24.95 Sold Out

3 reviews
Krytac bucking orange
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Surplus Krytac bucking
$4.95 $10.00 On Sale
Umbrella Armory Prowin Maxxpro G&G Krytac Hop Up C Clip
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Umbrella C-Clip 2 Pack (PROWIN/MAXXPRO/G&G)
$6.00

1 review
Krytac Inner Barrel Variety
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Surplus Krytac Inner Barrels
From $5.00

1 review
Prowin Hop Up Unit Umbrella Armory
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ProWin Hop-Up Unit
$29.00

1 review
UA MaxxPro M4A 3D Printed Spacers
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UA MaxxPro M4A 3D Printed Spacers
$4.99

2 reviews
G&G rotary hop unit m4
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Surplus G&G Rotary Style Hop Up Chamber for M4 AEGs
$17.99 $34.95 On Sale

1 review
Umbrella Armory Maxx Precision Hop-Up Unit M4A
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Umbrella Armory x Maxx Model Precision Hop-up Unit (M4A)
$74.99

2 reviews
Surplus VFC Rotary Hopup Unit V2 M4
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Surplus VFC Rotary Hopup Unit V2 M4
$9.99 $25.00 Sold Out

3 reviews
VFC H&K M110 A1 AEG Hopup Adapter Right Side
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VFC H&K M110-A1 AEG Hopup Adapter
$19.99
UA Carbon Fiber Nylon Hop Up Lock Ring
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UA Carbon Fiber Nylon Hop Up Lock Ring
From $2.00
Surplus Cyma Platinum Rotary Hop Up Unit
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Surplus Cyma Platinum Rotary Hop Up Unit
$10.00 $20.00 Sold Out

2 reviews
MAPLE LEAF MR HOP AEG BUCKING
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Maple Leaf MR. HOP for AEG Barrels
$9.99
Surplus Krytac CNC POM M4/M16 O-Ring Air Nozzle
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Surplus Krytac CNC POM M4/M16 O-Ring Air Nozzle
$1.01 $9.00 On Sale
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Barrel Lapping Service
From $70.00
Krytac Mk1 CRB/Spare Upper With Barrel Hopup (no rail)
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Krytac Mk1 CRB/Spare Upper With Barrel Hopup (no rail)
$89.99 $165.00 On Sale

1 review