BT Gun Company carries Luth-AR stocks, parts, upper receivers and conversion kits, and sights. The selection includes AR-platform components such as .223 rifle buffer springs, .223/5.56 A1 birdcages, .308 rifle/fixed buffer tube assemblies, .223 rifle buffer bodies, A1 assembled upper receivers, and detachable carry handles.

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Luth-AR LUTH 10/22 CHASSIS ASSEMBLY BLK black chassis, right-side view with adjustable stock
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Luth-AR Luth 10/22 Chassis Assembly Black

Luth-AR
SKU: rsr-LUTHMCA-22
$144.39
Luth-AR LUTH AR .750 GAS BLOCK, dark gray gas block with circular bore, angled front view
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Luth-AR Luth AR .750 Gas Block

Luth-AR
SKU: rsr-LUTHGB-LP750
$15.48
Luth-AR LUTH AR .936 GAS BLOCK, dark gray gas block with circular bore, angled front view
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Luth-AR Luth AR .936 Gas Block

Luth-AR
SKU: rsr-LUTHGB-LP936
$23.07
Luth-AR Carbine Buffer Tube Assembly, gray tube shown above gold buffer and spring
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Luth-AR Luth AR 223 Carbine BFR Tube Assembly Mil

Luth-AR
SKU: rsr-LUTH223-M-BAP
$45.03
Luth-AR LUTH AR 223 CARBINE BUFFER BODY, silver cylindrical buffer in angled side view
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Luth-AR Luth AR 223 Carbine Buffer Body

Luth-AR
SKU: rsr-LUTHBS-11C
$12.23
Luth-AR LUTH AR 223 CARBINE BUFFER SPRING gold-tone coiled spring shown horizontally
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Luth-AR Luth AR 223 Carbine Buffer Spring

Luth-AR
SKU: rsr-LUTHBS-10A
$4.52
Luth-AR LUTH AR 223 Charging Handle, black angled top view with extended latch
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Luth-AR Luth AR 223 Charging Handle

Luth-AR
SKU: rsr-LUTHUR-19
$22.22
Luth-AR 223 rifle buffer body, silver, angled side view with cylindrical profile
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Luth-AR Luth AR 223 Rifle Buffer Body

Luth-AR
SKU: rsr-LUTHBS-11
$23.21
Luth-AR LUTH AR 223 RFL/FXD BFR TUBE ASSY black tube with gold buffer and spring
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Luth-AR Luth AR 223 Rifle/FXD BFR Tube Assembly

Luth-AR
SKU: rsr-LUTHBAP-1
$55.20
Luth-AR LUTH AR 223 RIFLE BUFFER SPRING, gold-tone coiled spring in side view
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Luth-AR Luth AR 223 Rifle Buffer Spring

Luth-AR
SKU: rsr-LUTHBS-10B
$3.21
Luth-AR A2 Rifle Buffer Tube, black cylindrical tube in side view with threaded end
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Luth-AR Luth AR 223/308 A2 Rifle Buffer Tube

Luth-AR
SKU: rsr-LUTHBS-09
$30.53
Luth-AR LUTH AR 223/5.56 A1 BIRDCAGE black side view with vent slots and grooved base
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Luth-AR Luth AR 223/5.56 A1 Birdcage

Luth-AR
SKU: rsr-LUTHBL-06-A1
$10.01
Luth-AR LUTH AR 24-inch BULL BBL COMP UPPER 223, black upper with silver barrel, right side view
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Luth-AR Luth AR 24″ Bull Barrel Comp Upper 223

Luth-AR
SKU: rsr-LUTHFTBL-B24
$532.06
Luth-AR Carbine Buffer Tube Assembly, gray tube with separate gold-tone spring and buffer
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Luth-AR Luth AR 308 Carbine BFR Tube Assembly Mil

Luth-AR
SKU: rsr-LUTH308-M-BAP
$105.78
Luth-AR 308 Carbine Buffer Body, upright silver cylindrical buffer with wide base
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Luth-AR Luth AR 308 Carbine Buffer Body

Luth-AR
SKU: rsr-LUTH308-CS-10B
$74.18
Luth-AR 308 Carbine Buffer Spring, dark metallic coil spring in side view
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Luth-AR Luth AR 308 Carbine Buffer Spring

Luth-AR
SKU: rsr-LUTH308-CS-10A
$5.29
Luth-AR LUTH AR 308 Charging Handle, black angled top view with T-shaped latch
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Luth-AR Luth AR 308 Charging Handle

Luth-AR
SKU: rsr-LUTH308-UR-19
$30.59
Luth-AR LUTH AR 308 EJECTION PORT COVER ASSY black front view with rod and spring
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Luth-AR Luth AR 308 Ejection Port Cover Assembly

Luth-AR
SKU: rsr-LUTH308-UR-05A
$8.34
Luth-AR 308 Lower Parts Kit Builder, top view of assorted black and metallic small parts
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Luth-AR Luth AR 308 Lower Parts Kit Builder

Luth-AR
SKU: rsr-LUTHLRPK-BLDR-308
$39.99
Luth-AR 308 Lower Receiver Parts Kit, top view of black grip, trigger and assorted small parts
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Luth-AR Luth AR 308 Lower Receiver Parts Kit

Luth-AR
SKU: rsr-LUTHLRPK-308
$79.57