Arizona Response Systems, LLC
STORE, L1A1 BARREL GROUP
(updated 09-20-2016)
1
barrel
2
gas block
3
gas block retaining pin
4
flash suppressor
5
flash suppressor positioning washer
6
flash suppressor key
7
flash suppressor key pin
8
front sight
9
front sight screw
10
gas plug assembly
11
gas tube
12
gas tube retaining pin
13
gas regulator
14
gas regulator retaining spring
15
gas regulator adjusting spring
16
gas piston
17
gas piston spring
18
front sling band
19
front sling loop
20
front sling screw
21
handguard assembly
22
handguard screw
23
handguard support
24
gas tube nut
25
breeching washer
26
carry handle
X
USPS Priority Mail shipping, handling, insurance.
Order $1 or $1000 and the shipping remains the same convenient flat rate.
$12
1-3
barrel with gas block
includes timed flash hider assembly
$250
(5 in stock)
2, 3
gas block
Parkerized or black
EXC $60
(8 in stock)
3
gas block retaining pin
This is a tapered pin.
EXC $5
(out of stock)
4
flash suppressor, 5 sot
may be British, Canadian, or Australian
EXC $24
(10 in stock)
4
flash suppressor, 3 slot
latest British version
EXC $30
(3 in stock)
4
flash suppressor, fake
Parkerized, for states prohibiting flash suppressors
EXC $45
(1 in stock)
5
flash suppressor positioning washer
specify size. Sizes are +/- .0005"
  • 1 = .1505"
  • 2 = .1540"
  • 3 = .1575"
  • 4 = .1610"
  • 5 = .1645"
  • 6 = .1680"
  • 7 = .1715"
  • 8 = .1750"
  • 9 = .1785"
  • 10 = .1820"
  • 11 = .1855"
  • 12 = .1890"
Parkerized
EXC $10
(50 in stock)
6, 7
flash suppressor key & pin
Parkerized, pin may be a commercial roll-pin
EXC $12
(20 in stock)
8
front sight
black or park, front sight only
EXC $15
(10 in stock)
9
front sight lock screw
black, front sight lock screw only
EXC $12
(10 in stock)
10
gas plug assembly
black
EXC $20
(10 in stock)
11
gas tube
black or Parkerized
EXC $40
VG $35
(10 in stock)
12
gas tube retaining pin
commercial substitute
NEW $3
(10+ in stock)
13
gas regulator
Parkerized or black
EXC $30
VG $20
GOOD $15
(3 in stock)
14
gas regulator retaining clip
VG $10
(5 in stock)
15
gas regulator adjusting spring
VG $3
(10+ in stock)
16
gas piston
L1A1 and FAL are interchangeable
VG $10
(30 in stock)
17
gas piston spring
EXC $6
(20 in stock)
18, 19, 20
front sling assembly
black, British band has "wings" Australian a tab. Can substitute FAL for L1A1.
VG $40
(3 in stock)
21
handguard, plastic, with screw
pebble grain, UK
VG $65
(2 in stock)
21
handguard, wood, laminate (Australia), with screw
VG $90
(1 in stock)
21
handguard, wood, solid (Australia), with screw

Good $60
(1 in stock)
22
handguard screw, long
Parkerized or black, for solid wood handguards
$10
(10 in stock)
22
handguard screw, short
Parkerized or black, for laminated wood and pebble-grain plastic handguards
$10
(10 in stock)
22
handguard screw, short, commercial
black, commercial replacements, threaded whole shaft, for laminated wood and pebble-grain plastic handguards
$5
(10 in stock)
23
handguard retaining ring
black
EXC $30
VG $20
(3 in stock)
24
gas tube support nut
Parkerized or black, Good are Australian and show some pitting
EXC $25
GOOD $20
(10 in stock)
25
breeching washer
specify size. Sizes are +/- .0005".
  • 1 = .0565"
  • 2 = .0570"
  • 3 = .0575"
  • 4 = .0580"
  • 5 = .0585"
  • 6 = .0590"
  • 7 = .0595"
  • 8 = .0600"
  • 9 = .0605"
  • 10 = .0610"
in the white
EXC $10
(10+ in stock)
26
carry handle, black (UK)
black
VG $25
GOOD $20
(1 in stock)
26
carry handle, green, Australia
black
EXC $35
(2 in stock)