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Knight's Armament
Shop Services
Aimpoint
NFA/Title II
AR-15 Parts and Accessories

Knight's Armament

Hide out of stock products.
Sale Price: $1.93
100 in stock!
SR-XM110 Scope Ring Cap Screw - Non-Knight's Equivalent
Price: $59.00
37 in stock!
Skeletonized Keymod Barrier Stop
Sale Price: $11.96
35 in stock!
SR-25 Gas Block Taper Pins (pair)
Sale Price: $28.50
32 in stock!
Combat Trigger Guard
Sale Price: $12.46
18 in stock!
SR15 E3 Bolt Extractor Spring Set
Sale Price: $10.93
17 in stock!
URX Front Sight Spring
Sale Price: $10.93
17 in stock!
URX Front Sight Push Button
Price: $14.65
16 in stock!
URX Front Sight Cross Bar
Sale Price: $3.19
13 in stock!
SR-XM110 Scope Ring Cap Screw
Sale Price: $24.24
11 in stock!
URX 4 Keymod Hand Stop - Taupe
Price: $2.38
11 in stock!
Aperture Sight
Sale Price: $3.17
11 in stock!
M4 / M5 RAS Screw Retainer
Sale Price: $5.81
10 in stock!
7.62 Free Float RAS Alignment Pin
Sale Price: $53.90
10 in stock!
Keymod Surefire Scout Light Mount
Sale Price: $42.66
9 in stock!
URX 3.1 and URX III Panel Kit - Tan
Sale Price: $24.24
9 in stock!
URX 4 Keymod Hand Stop - Black
Sale Price: $2.95
9 in stock!
Coiled Spring Pin for NT4
Sale Price: $73.51
9 in stock!
QD Harris Bipod Mount, Yaw Capable, Picatinny Rail Mount
Price: $4.30
9 in stock!
SR-25 Ejection Port Dust Cover Retaining Spring
Price: $38.39
9 in stock!
Ambidextrous Magazine Release for SR-15 and SR-25
Price: $14.24
8 in stock!
Aimpoint Mount Spacer
Price: $16.45
8 in stock!
Ambidextrous Bolt Catch Plunger for SR-15 and SR-25
Sale Price: $183.75
7 in stock!
Micro Aimpoint Quick-Detachable Mount Kit with Riser Blocks
Sale Price: $19.35
7 in stock!
URX 4 Keymod 7 Piece Flat Panel Kit - TAN
Sale Price: $3.35
7 in stock!
Mk23 / USP Suppressor Piston Assembly O-Ring
Sale Price: $17.09
7 in stock!
5.56 Anti-Tilt Magazine Follower - 10 Pack
Sale Price: $475.00
7 in stock!
7.62 URX III
Price: $156.25
6 in stock!
Micro Aimpoint High NVG Quick Detachable Mount Kit
Sale Price: $19.35
6 in stock!
URX 4 Keymod 7 Piece Flat Panel Kit - TAUPE
Sale Price: $37.00
6 in stock!
Keymod QD Sling Swivel Mount Assembly
Sale Price: $3.29
6 in stock!
Safety Selector Assembly Screw
Sale Price: $27.44
6 in stock!
URX III & 3.1 Offset QD Sling Mount with Push Button Swivel
Price: $3.79
5 in stock!
Sight Clamp
Sale Price: $48.84
5 in stock!
Keymod Belt Hook Assembly
Sale Price: $21,645.00
5 available on 02/28/2015
Limited Edition M110 Semi-Automatic Sniper System (SASS)
Price: $92.75
5 in stock!
SR-25 Bolt Catch
Price: $18.91
4 in stock!
Thumb Rest for Picatinny Rails
Price: $18.95
4 in stock!
Safety Selector, Right Side, Low Profile Ambi (Scalloped)
Sale Price: $3.13
4 in stock!
M4 / M5 RAS Clamp Screw
Price: $5.23
4 in stock!
Ambidextrous Bolt Catch Spring for SR-15 and SR-25
Sale Price: $41.35
4 in stock!
URX 3.1 and URX III Panel Kit - Long - Tan
Sale Price: $273.84
4 in stock!
SR-25 E2 Field Repair Kit
Price: $56.43
3 in stock!
SR-15 Gas Tube
Price: $287.38
3 in stock!
URX 4 5.56 IBN 13.0" Rail Assembly
Price: $10.99
3 in stock!
Ambidextrous Bolt Catch Plunger Head
Price: $436.25
2 in stock!
M110 Carbine ACS Buttstock Assembly Kit - TAN
Sale Price: $106.26
2 in stock!
Low Profile Set-Screw Gas Block
Price: $436.25
2 in stock!
M110 Carbine ACS Buttstock Assembly Kit - BLACK
Sale Price: $6.77
2 in stock!
SR-25 Magazine Floor Plate Kit
Sale Price: $3,552.50
2 available on 04/03/2015
SR-25 ECR Special Release
Price: $3,251.95
1 in stock!
SR-15E3 SBR Carbine 14.5" Barrel
Sale Price: $74.86
1 in stock!
SR-25 Barrel Nut
Sale Price: $51.21
1 in stock!
5.56 Bore Rod Guide Assembly
Sale Price: $270.85
1 in stock!
URX 4 5.56 IBN 10.0" Rail Assembly
Sale Price: $27.71
1 in stock!
M4 / M5 RAS Hardware Kit
Price: $33.96
1 in stock!
Ambidextrous Bolt Catch Lever for SR-15 and SR-25
Sale Price: $9.53
1 in stock!
Magazine Release Button
Sale Price: $295.76
Out of stock
URX 3.1 5.56mm 13.5" Length (14.5" bbl and longer)
Price: $311.25
Out of stock
URX III Rifle RAS (5.56 Cal.) with Integral Folding Front Sight (12.5")
Sale Price: $425.00
Out of stock
URX 3.1 7.62 SR-25/M110K1 Carbine Rail with Extended Top Rail (Black)
Sale Price: $42.66
Out of stock
URX 3.1 and URX III Panel Kit - Black
Sale Price: $1,949.99
Out of stock
SR-15E3 IWS Mod1 Carbine 16" Barrel, 13.5" URX3.1, and Taper Pin Gas Block - SR-15 Mod 1
Sale Price: $150.09
Out of stock
Micro Rail Mounted Folding Front Sight
Price: $1,750.00
Out of stock
SR-15E3 LPR Upper Receiver Assembly
Price: $61.25
Out of stock
Ambidextrous Magazine Release Kit for AR's (with wrench)
Sale Price: $833.00
Out of stock
SR-15 IWS Lower Receiver Assembly
Sale Price: $36.69
Out of stock
Knight's Logo Aimpoint Micro Battery Cap
Price: $131.25
Out of stock
45° Off Set Aimpoint T1 Micro Base Mount Kit
Price: $116.25
Out of stock
URX Barrel Nut Wrench
Sale Price: $51.95
Out of stock
Terminator Rail Mounted Hand Stop
Sale Price: $150.09
Out of stock
Micro 600m Flip - Up Rear Sight
Price: $85.94
Out of stock
URX 3.1 Deluxe Panel Kit - Black
Price: $311.25
Out of stock
URXII - Rifle Length (12.5")
Sale Price: $36.75
Out of stock
URX Barrel Nut
Sale Price: $5,628.88
Out of stock
SR-25 Enhanced Combat Carbine (ECC)
Sale Price: $5,300.00
Out of stock
SR-25 Enhanced Combat Rifle (ECR)
Sale Price: $391.95
Out of stock
Multi-Axis Muzzle Stability (MAMS) Brake - 7.62 3/4-24 Thread (SR-25 Compatible)
Sale Price: $1,549.99
Out of stock
SR-15 CQB SBR Upper Receiver Assembly (11.5” bbl, Midlength URX 3.1)
Price: $81.25
Out of stock
Barrel Extension Wrench for Muzzle Devices (5.56 and 7.62)
Sale Price: $283.81
Out of stock
URX 3.1 Rail 5.56mm 10.75" Length (11.5" bbl and longer)
Sale Price: $19.35
Out of stock
URX 4 Keymod 7 Piece Flat Panel Kit - BLACK
Price: $124.43
Out of stock
20-Round SR-25 Magazine
Price: $62.44
Out of stock
Std. & Low Profile Semi-Auto Ambi Selector Assembly Kit w/Pointer
Sale Price: $1,425.00
Out of stock
SR-15E3 IWS Mod1 Upper Receiver Assy
Price: $138.75
Out of stock
SR-15 Field Repair Kit
Price: $2,347.50
Out of stock
SR-15 SBR Carbine Upper Receiver Assembly - 14.5” Dimpled Barrel
Sale Price: $296.95
Out of stock
5.56 MAMS - Multi-Axis Muzzle Stability Brake - 5.56 1/2-28 Thread (For SR-15 and AR-15 pattern Guns)
Sale Price: $358.86
Out of stock
SR-25 Detailed Soft Cleaning Kit w/ SR-25/Mk11 Field Repair Kit (includes CLP, TW-25B, and Shooters Choice, plus Carbon Fiber Cleaning Rod)
Price: $281.25
Out of stock
45 Degree Offset Rail Mounted Micro 600m Folding Iron Sight Kit (front and rear)
Price: $85.94
Out of stock
URX 3.1 Deluxe Panel Kit Taupe
Price: $33.75
Out of stock
URX3.1 Rail Section, 8 RIB Aluminum - Black
Sale Price: $391.95
Out of stock
7.62mm MAMS (Multi-Axis Muzzle Stability) Muzzle Brake Kit 5/8"-24 thread (FOR STANDARD AR-10 PATTERN GUNS)
Sale Price: $2,449.00
Out of stock
SR-15E3 SBR CQB 11.5" NFA Item
Sale Price: $180.62
Out of stock
Mk12 / Mk18 Rail Flip Up Front Sight - Flat Dark Earth
Price: $96.25
Out of stock
5.56 QDC 3 Prong Flash Suppressor
Sale Price: $293.76
Out of stock
URX 4 5.56 IBN 14.5" Rail Assembly
Sale Price: $1,546.88
Out of stock
SR-30 300blk Upper Receiver Assembly - 11.5"
Sale Price: $277.39
Out of stock
SR-25 Field Repair Kit
Sale Price: $425.55
Out of stock
Locking Front Folding Sight, Fits SR15, SR16, M16, AR-15 With 0.750 Inch Barrel
Price: $5.63
Out of stock
Micro SIght Bolt
Sale Price: $55.78
Out of stock
URX III Handstop Assembly
Sale Price: $4,572.56
Out of stock
SR-25 Enhanced Carbine (EC) Taupe
Price: $97.98
Out of stock
Buffer - 2H SR-16
Sale Price: $42.66
Out of stock
URX 3.1 and URX III Panel Kit - TAUPE
Sale Price: $41.35
Out of stock
URX 3.1 and URX III Panel Kit - Long - Black
Sale Price: $41.35
Out of stock
URX 3.1 and URX III Panel Kit - Long - Taupe
Sale Price: $2,310.05
Out of stock
SR-15E3 IWS Light Precision Rifle (LPR)
Sale Price: $1,350.00
Out of stock
5.56 QDC Suppressor Kit - FDE
Price: $1,431.25
Out of stock
7.62 QDC Suppressor - FDE
Sale Price: $1,920.19
Out of stock
Masterkey w/ under barrel / M203 mount
Sale Price: $76.81
Out of stock
URX 4 KeyMod Panel Kit
Sale Price: $608.07
Out of stock
Right Hand Piston Assembly (Mk23)
Price: $1,431.25
Out of stock
7.62 CQB QDC Suppressor - FDE
Sale Price: $2,149.95
Out of stock
SR-15 IWS E3 Carbine Mod 2
Price: $1,431.25
Out of stock
5.56 CQB QDC Suppressor - FDE
Price: $2,310.50
Out of stock
SR-30 E3 IWS, 300 Blackout, 16" URX 3.1
Sale Price: $40.43
Out of stock
5-slot Keymod Rail Section
Sale Price: $1,350.00
Out of stock
SR-30 300blk Upper Receiver Assembly - 9.5"
Price: $3.13
Out of stock
URX Rail Panel Backing Nut
Price: $1,431.25
Out of stock
7.62 QDC Suppressor - Black
Sale Price: $1,485.00
Out of stock
SR-30 300blk Upper Receiver Assembly - 16"
Sale Price: $3,849.00
Out of stock
SR-25 Enhanced Rifle (ER)
Sale Price: $48.84
Out of stock
URX III & 3.1 Belt Hook Assembly
Sale Price: $4,618.05
Out of stock
SR-25E2 Advanced Combat Carbine (ACC)
Sale Price: $472.11
Out of stock
M110 Buttstock Assembly with Adjustable Buttplate - FDE
Price: $32.66
Out of stock
Mk11 Action Spring
Price: $86.75
Out of stock
Mk11 Buffer
Price: $83.60
Out of stock
Mk11/M110 Buffer Tube
Sale Price: $6.47
Out of stock
SR-25 Magazine Floor Plate
Sale Price: $323.25
Out of stock
2 Stage Match Trigger Kit - 4.5lb
Sale Price: $1,485.00
Out of stock
Take-off SR-15 Mod 2 Upper Receiver w/ Three Prong Flash Hider
Price: $85.94
Out of stock
URX 3.1 Deluxe Panel Kit - Tan
Sale Price: $4,618.05
Out of stock
SR-25 Advanced Precision Carbine (APC)
Sale Price: $1,399.13
Out of stock
5.56 QDC Suppresor - Black
Sale Price: $76.93
Out of stock
Game Changing Part
Sale Price: $833.00
Out of stock
SR-30 IWS Lower Receiver Assembly Kit
Sale Price: $180.62
Out of stock
Mk12 / Mk18 Rail Flip Up Front Sight - Black
Sale Price: $367.50
Out of stock
Bi Pod
Sale Price: $344.36
Out of stock
Free Float Rail Adapter System (RAS) - Long
Sale Price: $2,363.57
Out of stock
SR-15 E3 CQB MOD 2 11.5"
Sale Price: $1,717.71
Out of stock
SR-15 CQB MOD 2 Upper Receiver Assembly
Sale Price: $212.72
Out of stock
SR-15 Enhanced Round Lug Bolt Assembly
Sale Price: $75.00
Service Available
Knight's Armament (KAC) 5.56 and 7.62 URX Installation (URX II, URX 3, URX 3.1, & URX 4)

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