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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15 products

Umbrella Armory R Hop Prometheus Barrels
Quick buy
Umbrella Prometheus 6.03 EG inner barrel with R-hop
From $115.00
Umbrella Armory Flat Hoppe Madbull blue Bucking 60 degree
Quick buy
Umbrella Flat-Hopped Modified Madbull Blue 60-Degree Bucking
$15.00 Sold Out
inner barrel stabilizer o ring
Quick buy
Inner Barrel Assembly Stabilizer O-Ring (10pc)
$5.00
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
Umbrella Armory Prometheus 6.03 Inner Barrel EG with R-Hop and Prowin M4 Hop-Up Unit
Quick buy
Umbrella Prometheus 6.03 EG inner barrel w/ R-Hop and Prowin M4 Hopup
From $175.00
krytac rotary hop up unit
Quick buy
Surplus Krytac V2 Rotary Hop-up Unit
$14.95 $24.95 Sold Out
krytac bucking
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Surplus Krytac bucking
$4.95 $10.00 On Sale
Umbrella Armory Prowin Maxxpro G&G Krytac Hop Up C Clip
Quick buy
Umbrella C-Clip 2 Pack (PROWIN/MAXXPRO/G&G/KRYTAC)
$6.00
Prowin Hop Up Unit Umbrella Armory
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ProWin Hop-Up Unit
$29.00
Krytac Inner Barrel Variety
Quick buy
Surplus Krytac Inner Barrels
From $5.00
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 Sold Out
Umbrella armory VFC rotary hop up unit v2 m4
Quick buy
Surplus VFC Rotary Hopup Unit V2 M4
$9.99 $25.00 Sold Out
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UA MaxxPro M4A 3D Printed Resin Spacers
$7.99
Umbrella Armory Maxx Precision Hop-Up Unit M4A
Quick buy
Umbrella Armory x Maxx Model Precision Hop-up Unit (M4A)
$74.99
Quick buy
UA Carbon Fiber Nylon Hop Up Lock Ring
From $2.00