These were made for the Engineers Corps. They differ only from the Artillery model in that they use a long saber type bayonet. The lugs for the bayonet are on the front band and barrel. All other parts are the same as the Artillery Musketoon.
| 664 | Set of Lock Castings | $135.00 | |
| 664 AS | Assembled Lock | $295.00 | |
| 664 LP | •Lock Plate | $24.95 | |
| 664 H | •Hammer | $29.95 | |
| 664 T | •Tumbler | $19.95 | |
| 664 B | •Bridle | $19.95 | |
| 664 S | •Sear | $19.95 | |
| 664 SS | •Sear Spring | $19.95 | |
| 664 MS | •Main Spring | $24.95 | |
| 664 LSS | Lock Screw Set | $19.95 | |
| 664 BP-B | Butt Plate | $29.95 | |
| 664 TP-B | Trigger Plate | $24.95 | |
| 664 TGB-B | Trigger Guard Bow | $15.95 | |
| 664 TR | Trigger | $9.95 | |
| 664 SP-B | Side Plate | $19.95 | |
| 664 SLSX | Side Lock Screw (2 Needed) | $4.95 | |
| 664 RBB-B | Rear Barrel Band | $24.95 | |
| 664 FBB-C | Front Barrel Band | $49.95 | |
| 664 RBBS-B | Rear Barrel Band Spring | $12.95 | |
| 664 FBBS | Front Barrel Band Spring | $12.95 | |
| 664 SSW-B | Sling Swivel (2 Needed) | $12.95 | |
| 664 RSSWB-B | Rear Sling Swivel Base | $19.95 | |
| 664 BA-SB | Barrel Smooth Bore | $295.00 | |
| 664 BRS | Breech Section | $39.95 | |
| 664 BRP | Breech Plug | $24.95 | |
| 664 BAYLU | Bayonet Lug for Barrel | $19.95 | |
| 664 BAYHA | Bayonet Handle | $CALL | |
| 664 BAYLR | Bayonet Locking Ring | $CALL | |
| 664 BAYBL | Bayonet Blade | $CALL | |
| 664 ST-B | Stock | $245.00 | |
| 664 RR-B | Ramrod (Steel) | $49.95 | |
| 664 PARTS-C | Parts Set with Set of Lock Castings | $1095.00 | |
| 664 PARTSAS-C | Parts Set with Assembled Lock | $1195.00 |