ALL SPECIFICATIONS:
All Specifications:
M4E1 PRO LOWER RECEIVER
- Integrated Trigger Guard
- Increased Magwell Flare
- Upper Tension Screw
- Machined from 7075-T6 forged aluminum
- Type III anodizing
- Fully ambisextrous option (bolt and magazine)
BARREL OPTIONS: 11.5”,14.5” OR 16”
- Hanson Profile
- Cold Hammer Forged
- Chrome Moly Vanadium
- Phosphate Finish
- 1:7 Twist
- .750 Gas Block Journal
- HP and MPI Tested
UPPER RECEIVER
- M4 Feed ramps
- New enhanced forging that gives the upper receiver a "billet look"
- Machined from 7075-T6 forged aluminum
- Type III anodizing
MOD4 HANDGUARD
- 6061-T6 aluminum construction
- Steel barrel nut
- 7-sided M-LOK™
- 4 steel reinforced Quick Disconnect (QD) sockets
- Internal Diameter: 1.2"
- Compatible with low-profile gas blocks
BOLT CARRIER GROUP: PHOSPHATE M-16 BCG
-
Mil Spec Carrier:
- 8620 Tool Steel
- Full Auto M-16 cut Mil-Spec Bolt:
- C158 Steel
- Shot Peened
- HPT and MPI verified Mil Spec Extractor:
- 4140 Steel
- Black Extractor Insert Mil Spec Gas Key:
- 4130 Steel
- Properly Staked
- Mil-Spec Opening Verified and Optimum Alignment Checked
A5 BUFFER SYSTEM
- More Consistent Cycling
- Reduced Felt Recoil
- Lower Bolt Carrier Velocity
- Extends The Life of Parts
- Larger operational Window for Suppressed and Non-Suppressed Operation
SPRINCO BUFFER SPRING
- Increased "lock time"
- Consistent spring pressure throughout the duty cycle
- Improved & consistent cyclic operation
- Greater resistance to heat induced performance degradation
- Reduced operation cost, as replacement springs are not needed during the life of the rifle
GAS BLOCK
- Phosphate
- Pinned
INCLUDED PARTS:
- PRO Safety
- A2 Flash Hider
- Magpul K2 Grip
- Mapgul DT Stock
- Gas Block
- LaRue 2 Stage 4.5lb Trigger
- Receiver Extension - Ambi QD
COLOR OPTIONS: Anodized Black OR Kodiak Brown Anodized
M4E1 PRO LOWER RECEIVER
- Integrated Trigger Guard
- Increased Magwell Flare
- Upper Tension Screw
- Machined from 7075-T6 forged aluminum
- Type III anodizing
- Fully ambidextrous option (bolt and magazine)
BARREL OPTIONS: 11.5”, 14.5” OR 16”
- Hanson Profile
- Cold Hammer Forged
- Chrome Moly Vanadium
- Phosphate Finish
- 1:7 Twist
- .750 Gas Block Journal
- HP and MPI Tested
UPPER RECEIVER
- M4 Feed ramps
- Machined from 7075-T6 forged aluminum
- Billet look receiver
- Type III anodizing
- Integrated Trigger Guard
- Increased Magwell Flare
- Upper Tension Screw
- Machined from 7075-T6 forged aluminum
- Type III anodizing
- Fully ambidextrous option (bolt and magazine)
- Government Profile
- Chrome Moly Vanadium
- Nitride Finish
- 1:7 Twist
- .750 Gas Block Journal
- HP and MPI Tested
M4E1 PRO LOWER RECEIVER
BARREL OPTIONS: 8.3”
MOD4 HANDGUARD
- 6061-T6 aluminum construction
- Steel barrel nut
- 7-sided M-LOK™
- 4 steel reinforced Quick Disconnect (QD) sockets
- Internal Diameter: 1.2"
- Compatible with low-profile gas blocks
BOLT CARRIER GROUP: PHOSPHATE M-16 BCG
-
Mil Spec Carrier:
- 8620 Tool Steel
- Full Auto M-16 cut Mil-Spec Bolt:
- C158 Steel
- Shot Peened
- HPT and MPI verified Mil Spec Extractor:
- 4140 Steel
- Black Extractor Insert Mil Spec Gas Key:
- 4130 Steel
- Properly Staked
- Mil-Spec Opening Verified and Alignment Checked
MOD4 HANDGUARD
- 6061-T6 aluminum construction
- Steel barrel nut
- 7-sided M-LOK™
- 4 steel reinforced Quick Disconnect (QD) sockets
- Internal Diameter: 1.2"
- Compatible with low-profile gas blocks
- 8620 Tool Steel
- Full Auto M-16 cut Mil-Spec Bolt:
- C158 Steel
- Shot Peened
- HPT and MPI verified Mil Spec Extractor:
- Sprinco Extractor Spring
- 4140 Steel
- Black Extractor Insert Mil Spec Gas Key:
- 4130 Steel
- Properly Staked
- Mil-Spec Opening Verified and Alignment Checked
BOLT CARRIER GROUP: PHOSPHATE M-16 BCG
-
Mil Spec Carrier:
SPRINCO BUFFER SPRING
- Increased "lock time"
- Consistent spring pressure throughout the duty cycle
- Improved & consistent cyclic operation
- Greater resistance to heat induced performance degradation
- Reduced operation cost: Replacement springs are NOT needed
- PRO Safety
- Carbine Buffer Tube
- A2 Flash Hider
- Magpul K2 Grip & Mapgul DT Stock
- Gas Block: Phosphate, Pinned
- Schmid Two Stage Trigger
- Receiver Extension - Ambi QD
INCLUDED PARTS:
UPPER RECEIVER
- M4 Feed ramps
- Machined from 7075-T6 forged aluminum
- Billet look receiver
- Type III anodizing
- Integrated Trigger Guard
- Increased Magwell Flare
- Upper Tension Screw
- Machined from 7075-T6 forged aluminum
- Type III anodizing
- Fully ambidextrous option (bolt and magazine)
- Government Profile
- Chrome Moly Vanadium
- Nitride Finish
- 1:7 Twist
- .750 Gas Block Journal
- HP and MPI Tested
- 6061-T6 aluminum construction
- Steel barrel nut
- 7-sided M-LOK™
- 4 steel reinforced Quick Disconnect (QD) sockets
- Internal Diameter: 1.2"
- Compatible with low-profile gas blocks
- 8620 Tool Steel
- Full Auto M-16 cut Mil-Spec Bolt:
- C158 Steel
- Shot Peened
- HPT and MPI verified Mil Spec Extractor:
- Sprinco Extractor Spring
- 4140 Steel
- Black Extractor Insert Mil Spec Gas Key:
- 4130 Steel
- Properly Staked
- Mil-Spec Opening Verified and Alignment Checked
- Increased "lock time"
- Consistent spring pressure throughout the duty cycle
- Improved & consistent cyclic operation
- Greater resistance to heat induced performance degradation
- Reduced operation cost: Replacement springs are NOT needed
- PRO Safety
- Carbine Buffer Tube
- A2 Flash Hider
- Magpul K2 Grip & Mapgul DT Stock
- Gas Block: Phosphate, Pinned
- Schmid Two Stage Trigger
- Receiver Extension - Ambi QD
M4E1 PRO LOWER RECEIVER
BARREL: 8.3”
MOD4 HANDGUARD
BOLT CARRIER GROUP: PHOSPHATE M-16 BCG
-
Mil Spec Carrier:
SPRINCO BUFFER SPRING
INCLUDED PARTS:
COLOR OPTIONS: Anodized Black OR Kodiak Brown Anodized