22 Fat Rat Upper and all accessories

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22 Fat Rat with 90 SMK, 22 Fat Rat with 95 SMK, 6 Dasher with 105 Hybrid

Precision AR upper built on a Seekins SP3R upper. It's in a wildcat called 22 Fat Rat, which is basically an Ackley'd 22 ARC. It 's designed to mimic 6 Dasher ballistics in an AR-15 Platform. Muzzle threaded 5/8-24. Rifle +2 gas system. 329 Rounds on the barrel. Also have a boltgun barrel threaded for an Impact 737R and modified mag, if interested. Build for PRS gas gun, but can no longer compete due to a back injury.

-Seekins IRMT Upper
-Seekins IRMT 15" Handguard
-JP Enhanced bolt carrier group
-26" PacNor 6.5T 3 groove stainless barrel
-SLR 0.936 gas block
-Just under 300 formed cases (from Lapua 6.5 Grendel)
-JGS Reamer
-PTG Go and No-GO gauges
-Impact 6mm Muzzle Brake
-Whidden 6mm Fat Rat die set with 2 intermediate forming bushings (need a 0.251 final bushing)
-Modified Lee seating and Factory Crimp dies
-Whidden shoulder gauge
-Modified case for Hornady bullet comparator
-Brownell's bore guide
-One 17rd. E-Lander 6.5 Grendel Magazine
-Spare Rifle +2 gas tube
-JoeBob bolt saver

27.5gr. of H4895 gets 88 ELD-M up to 2945 fps.
28gr. of H4895 gets 88 ELD-M up to 2990 fps.
Fireforming load is 25gr. of H4895 @ 2673 fps.

$1900 shipped

Would consider the following trades;
-Dillon RL-1100 or CP2000 set-up for 223/5.56
-Glock 21 Gen5 MOS
-USP45 Tactical
-Eotech XPS3
-Seekins MCSR 10" M-LOK Handguard
-Wilcox NV mounts
-Streamlight TLR-VIR II
-TBAC Take Down 22 Suppressor 100% certificate
 
Last edited:
Both barrels would need to go together along with the reamer, dies, brass, reloading stuff and anything else wanted. I can part them out from from the rest, but I'm not going to be able to sell odds and ends 22 Fat Rat stuff on it's own.
 

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